TY - BOOK AU - Freifelder David TI - Microbial Genetics SN - 8185198330 U1 - 572.829 PY - 1990/// CY - New Delhi PB - Narosa Publishing House KW - Microbial Genetics KW - Mutation - Bacteria KW - Genetics KW - Bochemistry N1 - Includes index ER -