Odum, Eugene P. Fundamentals of ecology - 5th ed. - New Delhi : Cengage Learning, ©2005. - xviii, 596 p. : ill. (some col.) ; 32 cm (Paperback) Includes index. ISBN: 9788131500200 Subjects--Index Terms: Ecology Ecosystem Biogeochemical Cycles Dewey Class. No.: 577 / ODU / B