Okafor Nduka Environmental microbiology of aquatic and waste systems. - London Springer 2011 - xvi,307p cm. ISBN: 3981.2795000000001 Standard No.: 115502 Source: 316, 06/03/2012, N.R.Book Distributors Textual Subjects--Topical Terms: Microbiology Dewey Class. No.: G:424-55, Q1