Townsend Colin R Essentials of ecology - 2 - Oxford Blackwell Pub. 2003 - xiii, 530p Bibliographical references 501-512p; Index 513-530p ISBN: 1405103280 (pbk) Standard No.: 10520 Source: Panima, Textual Subjects--Topical Terms: EcologyBiology Dewey Class. No.: G:5, P0;P3;2