Lek, Sovan. Modelling community structure in freshwater ecosystems (with CD) / by Sovan Lek... et al. . - / . - New York : Springer-Verlag , 2005. - 518p. : figures ; 25cm . Includes index ISBN: 3540239405 EUR194.95 Subjects--Index Terms: ECOLOGY Dewey Class. No.: 577.6 / LEK/M