Smith, Margaret S. 3,5-Dichlorophenoxyacetic acid as a growth retardant / Margaret S. Smith and Mohammed Mohsin. - Ashford, Kent : Wye College, University of London, 1970 - 233-238 p. : ill., plates ; 26 cm. - Reprint ; no. 503. . Includes bibliographical references (p. 238) Subjects--Topical Terms: Plant growth inhibiting substances. Dichlorophenoxyacetic acid. Growth (Plants). Dewey Class. No.: 630.7114223