000 00318nam a2200121Ia 4500
008 190829s9999 xx 000 0 und d
082 _a660.6
_bTRE/B
100 _aTREHAN, Keshav
245 0 _aBIOTECHNOLOGY
250 _a3rd Ed.
260 _bNew Age International Publishers, New Delhi
_aNew Delhi
_c1996
942 _cBK
999 _c5228
_d5228