000 00250nam a22001097a 4500
082 _a660.6
_bTRE.B
100 _aTrehan, Keshav
245 _aBiotechnology
260 _aNew Delhi
_bWiley Eastern Ltd.
_c1990
650 _aBIOTECHNOLOGY
942 _cBK
999 _c332358
_d332358