000 00293nam a2200109Ia 4500
100 _aVerma, P. S. & Agrarwal, V. K.
942 _cBK
245 _aCell biology genetics & evolution and ecology
260 _aS Chand & Co (Pvt) Ltd, New Delhi
_c1988
082 _a574.87 Ver/Aga
300 _axv,246
999 _c12257
_d12257