000 00302nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a660.6 SIN-E
100 _aSingh, B.P.
245 0 _aEnvironment and Biotechnology
260 _aNew Delhi
_bToday & Tomorrow
_c1988
300 _a126p.
942 _2ddc
999 _c47438
_d47438