000 00316nam a2200145Ia 4500
008 160316s1998 xxu||||| |||| 00| 0 eng d
020 _a81 27219606
100 _aB.D Singh
245 _aBiotechnology
250 _a1st
260 _aNEW DELHI
_bKALYANI PUB.
_c1998
300 _a672
700 _a
_a
942 0 0 _02
999 _c32881
_d32881