000 00397nam a2200157Ia 4500
008 180323s9999 xx 000 0 und d
082 _a620.8
100 _a   Aggarwal, S.K
245 0 _aEnvironmental biotechnology
250 _a1st
260 _aNew Delhi
_bIndian Pub.House
300 _aNot covered syllabus
500 _a1166
650 _aEnvironmental - biotechnology
942 _cBOOK
999 _c6973
_d6973