Smith,Thomas M Elements of ecology/ Thomas M. Smith and Robert Leo Smith - 8th ed. - Noida: Pearson Education Asia, 2014 - 675p., illus.,figs.,tables.; 24cm. State Grant 2016-2017 ISBN: 9789332536692 Rs.1039.00 Subjects--Topical Terms: ECOLOGY Dewey Class. No.: 577 / SMI/E