Clamp, Alan. AS/A-Level biology : essential word dictionary Alan Clamp - Oxford : Philip Allan Updates, c2000. - 161 p. : ill. ; 24 cm. - Essential word dictionaries . ISBN: 0860033724 (pbk.) 9780860033721 (pbk.) Subjects--Topical Terms: Biology--Dictionaries. Dewey Class. No.: 570.3 / CLA