Arvind Kumar Essentials in ecology - 1st - New Delhi Shree Publishers India 2009 - 276p. cm. ISBN: 9788183293372 (hbk) 2000 Standard No.: 240,204 Source: 371, 22/12/2009, Eastern Book Linkers Textual Subjects--Topical Terms: BIOLOGY Dewey Class. No.: G:5, P9