000 00334nam a2200145Ia 4500
008 170101s1998 xx 000 0 und d
082 _a660.6 S48B
100 _aSINGH, B. D
245 0 _aBiotechnology
260 _bLudhiana
_c1998
300 _a574p
650 _aBIOTECHNOLOGY
653 _aBIOTECHNOLOGY
942 _2ddc
_cB
_052
999 _c114685
_d114685