EDITED BY RATLEDGE .C MIRCEN JOURNAL OF APPLIED MICROBIOLOGY AND BIOTECHNOLOGY VOLUE 5 NUMBER 1 - ENGLAND, OXFORD UNIVERSITY PRESS IN ASOCIATION WITH UNESCO, 1989, - 550 P, ILL INCLUDES BIBLIOGRAPHICAL REFERENCES LC Class. No.: QR 41.2 .M 48 1989 V.5 / 1