00374nam a2200133 a 450000500170000000800410001704100080005808200100006610000190007624500450009526400380014030000200017865000420019820260717090918.0260717s1974    ii            000 0 eng d  aeng04a575.11 aKochhar, P. L.10aGenetics and evolution /cKochhar, P. L. 1aDelhi :bS. Nagin and Co.,c1974.  a424 p. : 24 cm. 4aGenetics, plant ecology and evolution