000 00419nam a2200133Ia 4500
008 160316s9999 xxu||||| |||| 00| 0 eng d
020 _a81-7019-323-0
100 _aSingh B.P
245 _aEnvironment and biotechnology
260 _aNew Delhi
_bToday and tomorrow's
_c1988
300 _a126p
650 _aBiotechnology
999 _c44080
_d44080