000 00286nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aSINGH. B.P etc. Ed.
245 0 _aEnvironment & Biotechnology
260 _cToday & Tomorrow Print
365 _b0
650 _aNIL
942 _cBK
999 _c100915
_d100915