Euer, D. W. Ecological biology 2 for A-level and intermediate students in Africa: the inter-relations of organisms D. W. Euer, - London Longman Group Ltd. 1978 - xii,526p. ill 25cm. Includes bibliographical references Subjects--Topical Terms: EcologyJuvenile literatureBiology LC Class. No.: ZOO QH541.14.E23