Simpson, G. M. A relationship between gibberellic acid and light in the control of internode extension of dwarf peas (pisum sativum) / G. M. Simpson a nd R. L. Wain. - Kent : Wye College, [n.d]. - v. ; 24 cm. - Reprint No. . Includes bibliographical references. Subjects--Topical Terms: Peas--------Chickpea--------