00431nam a2200169Ia 4500 170901s1987 xx 000 0 und d 8185198330 576.139 F88M Freifelder, David Microbial Genetics New Delhi Narosa Publishing House 1987 601 Life sciences Pure Sciences Microbial genetics ddc BK 1 7930 7930 0 0 ddc 0 0 RAU RAU 2017-10-18 UBSPD,Patna 225.00 2 576.139 F88M 45171 2020-02-04 2020-01-21 1995-08-25 BK