000 00291nam a2200133Ia 4500
008 191031s9999 xx 000 0 und d
100 _aChaudhary (RC)
245 0 _aElements of biotechnology
260 _bRastogi pub.
260 _c1998
365 _b145
500 _awo
942 _cBK
999 _c220727
_d220727