TY - BOOK AU - Ed., By Glover, S.W. AU - Ed., By D.A. Hopwood TI - Genetics As Tool In Microbilogy SN - 0 521 23748 3 PY - 1981/// CY - Cambridge PB - Cambridge University Press N1 - Thirty-First Symposium of the Society for General Microbiology Held at the Universtiy of Cambridge ER -