000 00338nam a2200145Ia 4500
008 210101s1998 xx 000 0 eng d
020 _a81 272 1960 6
082 _a660.6 S 64 B
100 _aSingh, B.D.
245 0 _aBiotechnoloty
260 _aNew Delhi
_bKalyani
_c1998
300 _a649
653 _aBiotechnology
942 _2ddc
_cBK
999 _c4840
_d4840