TY - BOOK AU - Freifelder,David TI - Microbial genetics SN - 0867200766 AV - QH434 .F74 1987 U1 - 576/.139 19 PY - 1987/// CY - Boston, MA PB - Jones and Bartlett KW - Microbial genetics N1 - Includes index; Bibliography: p. 533-556 ER -