John F.T. Spencer Environmental Microbiology : Methods and Protocols - Totowa Humana Press 2004 - 423p John F.T. Spencer & Alicia L.Ragout De Spencer: Environmental Microbiology : Methods and Protocols. Totowa. Humana Press, 2004. 1-58829-116-2--(574.5SPE) ENGLISH ISBN: 1-58829-116-2 Dewey Class. No.: 574.5 / SPE