Hillman, William S. The physiology of flowering / W. S. Hillman. - New York : Holt, Rinehart and Winston , 1962. - 164 p. : ill. ; 22 cm. - Biology studies . Includes bibliographical references. LCCN: 62-008419 Subjects--Topical Terms: Plants, Flowering of. Dewey Class. No.: 581.135