Selman, I. W. Some effects of far-red irradiation and gibberellic acid on the grow th of tomato plants / I. W. Selman and O.S. Ahmed. - Kent : Wye College, [n.d]. - v. : 27 cm. - Reprint No. 212 . Includes bibliographical references. Subjects--Topical Terms: Tomatoes--------Gibberellic acid--------Irradiation--------