TY - BOOK ED - Society for General Microbiology. TI - Microbes and biological productivity T2 - Symposia SN - 0521081122 AV - QR1 .S6233 no. 21 U1 - 576 PY - 1971/// CY - Cambridge [Eng.] PB - Published for the Society for General Microbiology at the University Press KW - Microorganisms KW - Congresses KW - Biological productivity N1 - "Twenty-first symposium of the Society for General Microbiology held at University College, London, April 1971."; Includes bibliographies ER -