Fitzsimons D W Ed. Proceeding on phosphorous in the environment : it's chemistry and biochemistry - Amsterdam Elsevier Excerpta 1978 - ix, 320p. cm. - Ciba foundation symposium; 57 . Standard No.: 53044 Source: Textual Subjects--Topical Terms: Environment Dewey Class. No.: G:55:(E151)p1,N77, L8