000 00329nam a22001217a 4500
020 _a9788121924429
082 _a574.87VAR
100 _aP.S Verma , V.K Agarwal
245 _aCell Biology, Genetics , Molecular Biology , evolution and Ecology
260 _aNew Delhi
_bS Chand & Company
_c1974
300 _a294
942 _cBK
999 _c370203
_d370203