000 00263nam a2200121 4500
999 _c4949
_d4949
020 _a9789327222982
082 _a574.192 SIN
100 _aSingh.B.D.
_934
245 _aBiotechnology
260 _aNew Delhi
_bKalyani Publishers
_c2003
300 _a941
942 _cBK