Hill, T. A. Studies on two gibberellin-like substances in young shoots of tomato (lycopersicon esculentum mill) / T. A. Hill and I. W. Selman. - Oxford : Wyle College, [n.d]. - 1v. (various pagings) : charts ; 25 cm. - Reprint no. 327 new series . Includes bibliographical references. Subjects--Topical Terms: Gibberellin--Breeding.------Tomatoes --Breeding.------