000 00331nam a2200109Ia 4500
008 191031s9999 xx 000 0 und d
100 _aBalakrishnan (G)
245 0 _aStudies on pattern of variability and genetic diversity in cowpea (Vigna Sinensis (L) Savi)
260 _bM.Sc. Ag. Botany Thesis
260 _c1978
942 _cBK
999 _c218407
_d218407