000 00494nam a2200169Ia 4500
008 190516s9999 xx 000 0 und d
020 _a9788121909167
028 _bGangaram Book Bureau
_c4975
_d4-1-1999;@
100 _aDubey, R.C.
_9106621
245 2 _aA Textbook of Biotechnology
260 _bS.Chand & Company Ltd.
_c1993
_aNew Delhi
300 _a357
600 _tEnvironmental Science
_9106622
650 _aEnvironmental Science
_9106622
942 _cREF
999 _c94733
_d94733