000 00280nam a22001337a 4500
999 _c2458
_d2458
020 _a8171339379
082 _a660.6
100 _aP. K. Gupta
245 _aElements Of Biotechnology
250 _aSecond
260 _aNew Delhi
_bRakesh Kumar
_c2011
300 _a468
942 _cBK