000 00260nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
020 _a81857110233
100 _aGupta, P K
245 0 _aElements of Biotechnology
260 _bRastogi
_aMeerut
_c1994
942 _cBK
999 _c2468
_d2468