Brendan Wren Methods in Microbiology - London Academic Press 2002 - 414p - Vol. 33 . Brendan Wren & Nick Dorrell: Methods in Microbiology. London. Academic Press, 2002. 0-12-521533-9--(589.233WRE) ENGLISH ISBN: 0-12-521533-9 Dewey Class. No.: 589.233 / WRE