• Akiyama, Y, S. Goel, Z. Chen, W.W. Hanna, and P. Ozias-Akins. 2006. Pennisetum squamulatum: Is the Predominant Cytotype Hexaploid or Octaploid? J. Hered. 97:521.
• Akiyama, Y., J.A. Conner, S. Goel, D.T. Morishige, J.E. Mullet, W.W. Hanna, and P. Ozias-Akins. 2004. High-resolution physical mapping in Pennisetum squamulatum reveals extensive chromosomal heteromorphism of the genomic region associated with apomixis. Plant Physiol. 134:1733-1741.
• Akiyama, Y., W.W. Hanna, P. Ozias-Akins. 2005. High-resolution mapping reveals that the apospory-specific genomic region (ASGR) in C. ciliaris is located on a heterochromatic and hemizygous region of a single chromosome. Theor. Appl. Genet. 111:1042-1051.
• Anderson, W.F., A. Maas, and P. Ozias-Akins. 2009. Genetic variability of a forage bermudagrass core collection. Crop Sci. 49:1347-1358.
• Anderson, W.F., L. Arthur, P. Ozias-Akins. 1994. Quick and efficient measurement of transient GUS expression using image analysis. Plant Mol. Biol. Rep. 12:332-340.
• Arthur, L., P. Ozias-Akins, and W.W. Hanna. 1993. Female sterile mutant in pearl millet – evidence for initiation of apospory. J. Hered. 84:112-115.
• Aruna, M., M.E. Austin, and P. Ozias-Akins. 1995. DNA amplification fingerprinting for identification of rabbiteye blueberry (Vaccinium ashei Reade) cultivars. J. Amer. Soc. Hort. Sci. 120:710-713.
• Aruna, M., P. Ozias-Akins, M.E. Austin, and G. Kochert. 1993. Genetic relatedness among rabbiteye blueberry (Vaccinium ashei) cultivars determined by DNA amplification using single primers of arbitrary sequence. Genome 36:971-977.
• Chu Y., P. Faustinelli, M.L. Ramos, M. Hajduch, S. Stevenson, J.J. Thelen, S.J. Maleki, H. Cheng, P. Ozias-Akins. 2008. Reduction of IgE binding and nonpromotion of Aspergillus flavus fungal growth by simultaneously silencing Ara h 2 and Ara h 6 in peanut. J. Agric. Food Chem. 56:11225-11233.
• Chu, Y., C. Holbrook, P. Timper, and P. Ozias-Akins. 2007. Development of a PCR-based molecular marker to select for nematode resistance in peanut. Crop Sci. 47:841-847.
• Chu, Y., C.C. Holbrook, and P. Ozias-Akins. 2009. Two alleles of ahFAD2B control the high oleic acid trait in cultivated peanut. Crop Sci. 49:2029–2036.
• Chu, Y., C.L. Wu, C.C. Holbrook, B. L. Tillman, G. Person, and P. Ozias-Akins. 2011. Marker-assisted selection to pyramid nematode resistance and the high oleic trait in peanut. The Plant Genome4:110-117.
• Chu, Y., L. Ramos, C.C. Holbrook, and P. Ozias-Akins. 2007. Frequency of a loss-of-function mutation in oleoyl-PC desaturase (ahFAD2A) in the minicore of the U.S. peanut germplasm collection. Crop Sci. 47:2372-2378.
• Chu, Y., X. Y. Deng, P. Faustinelli, and P. Ozias-Akins. 2008. Bcl-xL transformed peanut (Arachis hypogaea L.) exhibits paraquat tolerance. Plant Cell Rep. 27:85-92.
• Chu, Y., X.Y. Deng, P. Faustinelli, P. Ozias-Akins. 2008. Bcl-xL transformed peanut (Arachis hypogaea L.) exhibits paraquat tolerance. Plant Cell Rep. 27:85-92.
• Conner, J.A., S. Goel, G. Gunawan, M.-M. Cordonnier-Pratt, V.E. Johnson, C. Liang, H. Wang, L.H. Pratt, J.E. Mullet, J. DeBarry, L. Yang, J.L. Bennetzen, P.E. Klein, and P. Ozias-Akins. 2008. Sequence analysis of bacterial artificial chromosome clones from the Apospory-Specific Genomic Region (ASGR) of Pennisetum and Cenchrus. Plant Physiol. 147:1396-1411.
• Dong, W.B., C.C. Holbrook, P. Timper, T.B. Brenneman, Y. Chu, and P. Ozias-Akins. 2008. Resistance in peanut cultivars and breeding lines to three root-knot nematode species. Plant Dis. 92:631-638.
• Faustinelli, P.C., R.W. Racca , D.J. Collino, A. de L. Avila, P. Ozias-Akins. 2009. Effect of growth regulators on regeneration of peanut “Florman Inta”. Peanut Sci. 36:138-143.
• Gill, R. and P. Ozias-Akins. 1999. Thidiazuron-induced highly morphogenic callus and high frequency regeneration of fertile peanut (Arachis hypogaea L.) plants. In Vitro Cell. Dev. Biol. Plant 35:445-450.
• Goel, S., Z. Chen, J.A. Conner, Y. Akiyama, W.W. Hanna, and P. Ozias-Akins. 2003.Delineation by Fluorescence in Situ Hybridization of a Single Hemizygous
  Chromosomal Region Associated With Aposporous Embryo Sac Formation in Pennisetum squamulatum and Cenchrus ciliaris. Genetics 163:1069-1082.
• Goel, S., Z. Chen, J.A. Conner, Y. Akiyama, W.W. Hanna, and P. Ozias-Akins. 2003.Physical evidence that a single hemizygous chromosomal region is sufficient to confer aposporous embryo sac formation in Pennisetum squamulatum andCenchrus ciliaris. Genetics 163:1069-1082.
• Goel, S., Z. Chen, Y. Akiyama, J. A. Conner, M. Basu, G. Gualtieri, W. W. Hanna, P. Ozias-Akins. 2006. Comparative Physical Mapping of the Apospory-Specific Genomic Region in Two Apomictic Grasses, Pennisetum squamulatum andCenchrus ciliaris. Genetics 173:389-400.
• Goldman, J. J., W. W. Hanna, G. F. Fleming, and P. Ozias-Akins. 2003. Fertile transgenic pearl millet [Pennisetum glaucum (L.) R. Br.] plants recovered through microprojectile bombardment and phosphinothricin selection of apical meristem-, inflorescence-, and immature embryo- derived embryogenic tissues. Plant Cell Rep. 21:999-1009.
• Goldman, J. W.W. Hanna, and P. Ozias-Akins. 2004. Tissue culture, plant regeneration and an analysis of somaclonal variation from TifEagle and TifSport bermudagrass cultivars. HortScience 39:1381-1384.
• Goldman, J.J., P. Ozias-Akins, and W.W. Hanna. 2000. GUS transient gene expression in bombarded pearl millet tissue. International Sorghum and Millets Newsletter 41: 74-76.
• Goldman, J.J., W.W. Hanna, G.H. Fleming, and P. Ozias-Akins. 2003. Ploidy variation among herbicide-resistant bermudagrass plants of cv TifEagle transformed with the bar gene. Plant Cell Reports 22:553-560.
• Gualtieri, G., J. A. Conner, D. T. Morishige, J. E. Mullet, and P. Ozias-Akins. 2006. A segment of the apospory-specific genomic region is highly microsyntenic not only between the apomicts Pennisetum squamulatum and buffelgrass, but also with a rice chromosome 11 centromeric-proximal genomic region. Plant Physiol. 140:963-971.
• Hanna, W.W., M. Dujardin, P. Ozias-Akins, E.L. Lubbers, and L. Arthur. 1993. Reproduction, cytology and fertility of pearl millet x Pennisetum squamulatum BC4 plants. J. Hered. 84:213-216.
• Hauptmann, R.M., P. Ozias-Akins, V. Vasil, Z. Tabaeizadeh, S.G. Rogers, R.B. Horsch, I.K. Vasil, R.T. Fraley. 1987. Transient expression of electroporated DNA in monocotyledonous and dicotyledonous species. Plant Cell Rep. 6:265-270.
• Hauptmann, R.M., V. Vasil, P. Ozias-Akins, Z. Tabaeizadeh, S.G. Rogers, R.T. Fraley, R.B. Horsch, I.K. Vasil. 1988. Evaluation of selectable markers for obtaining stable transformants in the Gramineae. Plant Physiol. 86:602-606.
• Holbrook, C.C., P. Ozias-Akins, P. Timper, D.M. Wilson, E. Cantonwine, B. Z. Guo, D. G. Sullivan, and W. Dong. 2008. Research from the Coastal Plain Experiment Station, Tifton Georgia, to Minimize Aflatoxin Contamination in Peanut. Toxin Rev. 27:391-410.
• Huo, H., J.A. Conner, and P. Ozias-Akins. 2009. Genetic mapping of the apospory-specific genomic region (ASGR) in Pennisetum squamulatum using retrotransposon-based molecular markers. Theor. Appl. Genet. 119:199-212.
• Jarret, R.L., P. Ozias-Akins, S. Phatak, R. Nadimpali, S. Hilliard. 1995. DNA contents in Paspalum spp. determined by flow cytometry. J. Genet. Res. Crop Evol. 42:237-242.
• Jauhar, P.P., K.N. Rai, P. Ozias-Akins, Z. Chen, and W.W. Hanna. 2005. Genetic Improvement of Pearl Millet for Grain and Forage Production: Cytogenetic Manipulation and Heterosis Breeding. In: R.J. Singh and P.P. Jauhar, eds., Genetic Resources, Chromosome Engineering and Crop Improvement, CRC Taylor and Francis, pp 281-307.
• Joshi, M., C. Niu, G. Fleming, S. Hazra, Y. Chu, C. J. Nairn, H. Yang, P. Ozias-Akins. 2005. Use of green fluorescent protein as a non-destructive marker for peanut genetic transformation. In Vitro Plant 41:437-445.
• Kang, I., P. Srivastava, P. Ozias-Akins, and M. Gallo. 2007. Temporal and spatial expression of the major allergens in developing and germinating peanut seed. Plant Physiology 144:836-845.
• Karakas, B., P. Ozias-Akins, C. Stushnoff, M. Suefferheld, and M. Rieger. 1997. Salinity and drought tolerance of mannitol accumulating transgenic tobacco. Plant Cell Environ. 20:609-616.
• Knauft, D.A. and P. Ozias-Akins. 1995. Recent methodologies for germplasm enhancement and breeding. In: Advances in Peanut Science, H.E. Pattee and H.T. Stalker, eds., American Peanut Research and Education Society.
• Knoll, J.E., M.L. Ramos, Y. Zeng, C.C. Holbrook, M. Chow, S. Chen, S. Maleki, A. Bhattacharya and P. Ozias-Akins. 2011. TILLING for allergen reduction and improvement of quality traits in peanut (Arachis hypogaea L.). BMC Plant Biology 11:81.
• Kvien, C.K. and P. Ozias-Akins. 1991. Lack of monocarpic senescence in Florunner peanut. Peanut Sci. 19:86-90.
• Lu, C., I.K. Vasil, and P. Ozias-Akins. 1982. Somatic embryogenesis in Zea maysL. Theor. Appl. Genet. 62:109-112.
• Lubbers, E.L., L. Arthur, W.W. Hanna, P. Ozias-Akins. 1994. Molecular markers shared by diverse apomictic Pennisetum species. Theor. Appl. Genet. 89:636-642.
• Mitchell, T.D., A.S. Bhagsari, P. Ozias-Akins, and S.K. Dhir. 1998. Electroporation-mediated transient gene expression in intact cells of sweetpotato. In Vitro Cell. Dev. Biol. Plant 34:319-324.
• Morgan, R.N., J. Alvernaz, L. Arthur, W.W. Hanna, P. Ozias-Akins. 1997. Genetic characterization and floral development of female sterile and stubby head, two aposporous mutants of pearl millet. Sex Plant Reprod. 10:127-135.
• Morgan, R.N., J.P. Wilson, W.W. Hanna, and P. Ozias-Akins. 1998. Molecular markers for rust and pyricularia leaf spot disease resistance in pearl millet. Theor. Appl. Genet. 96:413-420.
• Morgan, R.N., P. Ozias-Akins, and W.W. Hanna. 1998. Seed set in an apomictic BC3 pearl millet. Intl. J. Plant Sci. 159:89-97.
• Nagy, E.D., Y. Chu, Y. Guo, S. Khanal, S. Tang, Y. Li, W.B. Dong, P. Timper, C. Taylor, P. Ozias-Akins, C.C. Holbrook, V. Beilinson, N.C. Nielsen, H.T. Stalker, and S.J. Knapp. 2010. Recombination is suppressed in an alien introgression on chromosome 9 of peanut harboring Rma, a dominant root-knot nematode resistance gene. Mol. Breed. 26:357-370.
• Niu, C., Y. Akasaka-Kennedy, P. Faustinelli, M. Joshi, K. Rajasekaran, H. Yang, Y. Chu, J. Cary, and P. Ozias-Akins. 2009. Antifungal Activity in Transgenic Peanut (Arachis hypogaea L.) Conferred by a Nonheme Chloroperoxidase Gene. Peanut Sci. 36:126–132.
• Ozias-Akins, P. 1989. Plant regeneration from immature embryos of peanut. Plant Cell Rep. 8:217-218.
• Ozias-Akins, P. 2005. Peanut. In: Biotechnology in Agriculture and Forestry – Tropical Crops I. E.C. Pua and M.R. Davey, eds. Springer, Heidelberg.
• Ozias-Akins, P. 2006. Apomixis: Developmental Characteristics and Genetics.Crit. Rev. Plant Sci. 25:199-214.
• Ozias-Akins, P. and H. Lörz. 1984. Progress and limitations in the culture of cereal protoplasts. Trends in Biotech. 2:119-123.
• Ozias-Akins, P. and I.K. Vasil 1982. Plant regeneration from cultured immature embryos and inflorescences of Triticum aestivum L. (wheat): Evidence for somatic embryogenesis. Protoplasma 110:95-105.
• Ozias-Akins, P. and I.K. Vasil. 1982. Callus induction and growth from the mature embryo of Triticum aestivum L. (wheat). Protoplasma 115:104-113.
• Ozias-Akins, P. and I.K. Vasil. 1983. Improved efficiency and normalization of somatic embryogenesis in Triticum aestivum (wheat). Protoplasma 117:40-44.
• Ozias-Akins, P. and I.K. Vasil. 1983. Proliferation of and plant regeneration from the epiblast of Triticum aestivum L. (wheat). Amer. J. Bot. 70:1092-1097.
• Ozias-Akins, P. and I.K. Vasil. 1988. In vitro regeneration and genetic manipulation of grasses. Physiol. Plant. 73:565-569.
• Ozias-Akins, P. and P.J. van Dijk. 2007. Mendelian genetics of apomixis in plants. Annu. Rev. Genet. 41:509-537.
• Ozias-Akins, P. and R.L. Jarret. 1994. Flow cytometric determination of ploidy levels in Ipomoea. J. Amer. Soc. Hort. Sci. 119:110-115.
• Ozias-Akins, P., C. Singsit, and W.D. Branch. 1992. Interspecific hybrid inviability in crosses of Arachis hypogaea x A. stenosperma can be overcome by in vitro embryo maturation or somatic embryogenesis. J. Plant Physiol. 140:207-212.
• Ozias-Akins, P., D. Roche, and W.W. Hanna. 1998. Tight clustering and hemizygosity of apomixis-linked molecular markers in Pennisetum squamulatumimplies genetic control of apospory by a divergent locus which may have no allelic form in sexual genotypes. Proc. Natl. Acad. Sci. USA 95:5127-5132.
• Ozias-Akins, P., D.R. Pring, I.K. Vasil. 1987. Rearrangements in the mitochondrial genome of somatic hybrid cell lines of Pennisetum americanum (L.) K. Schum. +Panicum maximum. Jacq. Theor. Appl. Genet. 74:15-20.
• Ozias-Akins, P., E.L. Lubbers, W.W. Hanna, and J.W. McNay. 1993. Transmission of the apomictic mode of reproduction in Pennisetum: Co-inheritance of the trait and molecular markers. Theor. Appl. Genet. 85:632-638.
• Ozias-Akins, P., H. Yang, R. Gill, H. Fan, R.E. Lynch. 2002. Reduction of aflatoxin contamination in peanut: A genetic engineering approach. ACS Symposium Series 829:151-160.
• Ozias-Akins, P., J.A. Schnall, W.F. Anderson, C. Singsit, T.E. Clemente, M.J. Adang, and A.K. Weissinger. 1993. Regeneration of transgenic peanut plants from stably transformed embryogenic callus. Plant Science 93:185-194.
• Ozias-Akins, P., M. Dujardin, W.W. Hanna, I.K. Vasil. 1989. Quantitative variation recovered from tissue cultures of an apomictic, interspecific Pennisetum hybrid. Maydica 34:123-132.
• Ozias-Akins, P., M.L. Ramos, P. Faustinelli, Y. Chu, S. Maleki, J.J. Thelen, J. Huntley, K. Arias, M. Jordana. 2009. Spontaneous and induced variability of allergens in commodity crops: Ara h 2 in peanut as a case study. Regul. Toxicol. Pharmacol. 54: S37-S40.
• Ozias-Akins, P., R. Gill. 2001. Progress in the development of tissue culture and transformation methods applicable to the production of transgenic peanut. Peanut Sci. 28:123-131.
• Ozias-Akins, P., R.J. Ferl, I.K. Vasil. 1986. Somatic hybridization in the Gramineae: Pennisetum americanum + Panicum maximum. Mol. Gen. Genet. 203:365-370.
• Ozias-Akins, P., W.F. Anderson, and C.C. Holbrook. 1992. Somatic embryogenesis in Arachis hypogaea L.: Genotype comparison. Plant Sci. 83:103-111.
• Ozias-Akins, P., Y. Akiyama, and W. W. Hanna. 2003. Molecular characterization of the genomic region linked with apomixis in Pennisetum/Cenchrus. Funct. Integr. Genomics 3:94-104.
• Ozias-Akins, P., Y. Chu, J. Knoll, and A. Bhattacharya. 2010. Mitigating allergenicity of crops. Adv. Agron. 107:93-121.
• Ozias-Akins, P., Z. Tabaeizadeh, D.R. Pring, I.K. Vasil. 1988. Preferential amplification of mitochondrial DNA fragments in somatic hybrids of the Gramineae. Curr. Genet. 13:241-245.
• Pence, V.C., N.J. Novick, P. Ozias-Akins, and I.K. Vasil. 1982. Induction of nitrogenase activity in Azospirillum brasilense by conditioned medium from suspension cultures of Pennisetum americanum (pearl millet) and Panicum maximum (Guinea grass). Z. Pflanzenphysiol. 106:139-147.
• Perera, S.C., and P. Ozias-Akins. 1991. Regeneration from sweetpotato protoplasts and assessment of growth conditions for flow-sorting of fusion mixtures. J. Amer. Soc. Hort. Sci. 116:917-922.
• Ramos, M.L., G. Fleming, Y. Chu, Y. Akiyama, M.Gallo, P. Ozias-Akins. 2006.Genomic and evolutionary context for conglutin genes in Arachis. Mol. Gen. Gen. 275:578-592.
• Ramos, M.L., J.J. Huntley, S.J. Maleki, P. Ozias-Akins. 2009. Epub 2008. Identification and characterization of a hypoallergenic ortholog of Ara h 2.01. Plant Mol. Biol. 69:325-335.
• Rao, P.S. and P. Ozias-Akins. 1985. Plant regeneration through somatic embryogenesis in protoplast cultures of sandalwood (Santalum album L.). Protoplasma 124:80-86.
• Roche, D., P. Cong, Z. Chen, W.W. Hanna, D.L. Gustine, R.T. Sherwood, and P. Ozias-Akins. 1999. An apospory-specific genomic region is conserved between buffelgrass (Cenchrus ciliaris L.) and Pennisetum squamulatum Fresen. Plant J. 19:203-208.
• Roche, D., W.W. Hanna, and P. Ozias-Akins. 2001. Gametophytic apomixis, polyploidy, and supernumerary chromatin. Sex. Plant Reprod. 13:343-349.
• Roche, D.R., Conner, J.A., Budiman, M.A., Frisch, D., Wing, R., Hanna, W.W., Ozias-Akins, P. 2002. Construction of BAC libraries from two apomictic grasses to study the microcolinearity of their apospory-specific genomic regions. Theor. Appl. Genet. 104:804-812.
• Roche, D.R., Z. Chen, W.W. Hanna, and P. Ozias-Akins. 2001. Non-Mendelian transmission of an apospory-specific genomic region in a reciprocal cross between sexual pearl millet (Pennisetum glaucum) and an apomictic F1 (P. glaucum X P. squamulatum). Sex. Plant Reprod. 13:217-223.
• Sakhanokho, H.F., P. Ozias-Akins, O.L. May, and P.W. Chee. 2004. Induction of somatic embryogenesis and plant regeneration in select Georgia and Pee Dee cotton (Gossypium hirsutum L.) lines. Crop Science 44:2199-2205.
• Sakhanokho, H.F., P. Ozias-Akins, O.L. May, and P.W. Chee. 2005. Putrescine enhances somatic embryogenesis and plant regeneration in elite upland cotton (Gossypium hirsutum L.) genotypes. Plant Cell Tiss. Organ Cult. 81:91-95.
• Singh, M., J.A. Conner, Y.-J. Zeng, W.W. Hanna, V. E. Johnson, and P. Ozias-Akins. 2010. Characterization of apomictic BC7 and BC8 pearl millet: Meiotic chromosome behavior and construction of an ASGR-carrier chromosome-specific library. Crop Sci. 50:892-902.
• Singsit, C. and P. Ozias-Akins. 1992. Rapid estimation of ploidy levels in in vitro-regenerated Arachis hybrids and fertile triploids. Euphytica 64:183-188.
• Singsit, C. and P. Ozias-Akins. 1993. Genetic variation in androgenetic monoploids of diploid potato and identification of genome-specific random amplified polymorphic DNA markers. Plant Cell Rep. 12:144-148.
• Singsit, C., C.C. Holbrook, A.K. Culbreath, and P. Ozias-Akins. 1995. Progenies of an interspecific hybrid between Arachis hypogaea and A. stenosperma – pest resistance and molecular homogeneity. Euphytica 83:9-14.
• Singsit, C., M.J. Adang, R.E. Lynch, W.F. Anderson, A. Wang, G. Cardineau, and P. Ozias-Akins. 1997. Expression of a Bacillus thuringiensis crylA(c) gene in transgenic peanut plants and its efficacy against lesser cornstalk borer. Transgenic Res. 6:169-176.
• Sorghum Genomics Planning Workshop Participants. 2005. Toward Sequencing the Sorghum Genome. A U.S. National Science Foundation-Sponsored Workshop Report. Plant Physiol. 138:1898-1902.
• Stevenson, S.E., Y. Chu, P. Ozias-Akins, J.J. Thelen. 2009. Validation of gel-free, label-free quantitative proteomics approaches: Applications for seed allergen profiling. J. Proteomics 72:555-566.
• Wang, A., H. Fan, C. Singsit, and P. Ozias-Akins. 1998.Transformation of peanut with a soybean vspB promoter-uidA chimeric gene I. Optimization of a transformation system and analysis of GUS expression in primary transgenic tissues and plants. Physiol. Plant. 102:38-48.
• Yang, H., C. Singsit, A. Wang, D. Gonsalves, and P. Ozias-Akins. 1998. Transgenic peanut plants containing a nucleocapsid protein gene of tomato spotted wilt virus show divergent levels of gene expression. Plant Cell Rep. 17:693-699.
• Yang, H.Y., J. Nairn, and P. Ozias-Akins. 2003. Transformation of peanut using a modified bacterial mercuric ion reductase gene driven by an actin promoter fromArabidopsis thaliana. J. Plant Physiol. 160:945-952.
• Yang, H.Y., P. Ozias-Akins, A.K. Culbreath, D.W. Gorbet, J.R. Weeks, B. Mandal, and H.R. Pappu. 2004. Field Evaluation of Tomato spotted wilt virus Resistance in Transgenic Peanut (Arachis hypogaea). Plant Dis. 88:259-264.
• Zeng, Y. J.A. Conner, P. Ozias-Akins. 2011. Identification of ovule transcripts from the Apospory-Specific Genomic Region (ASGR)-carrier chromosome. BMC Genomics 12:206.
• Zhang, L.-H., P. Ozias-Akins, G. Kochert, S. Kresovich, R. Dean, and W. Hanna. 1999. Differentiation of bermudagrass (Cynodon spp.) genotypes by AFLP analyses. Theor. Appl. Genet. 98:895-902.
• Zhang, S., W. Hanna, and P. Ozias-Akins. 2007. Comparison of callus induction and plant regeneration from different explants in triploid and tetraploid turf-type bermudagrasses. Plant Cell Tiss. Org. Cult. 90:71-78.