Audus, L. J. Plant growth substances / L. J. Audus. - [2d ed.]. - London : New York, L. Hill; Interscience Publishers, [1960, c1959] - xxii, 553 p. : ill. (part col.) ; 26 cm. - Plant science monographs . Includes bibliographical references (p. 457-520). Subjects--Topical Terms: Plant regulators.Auxin. LC Class. No.: QK731 / .A93 1959