Verma SK & Verma M A Textbook of Plant Physiology Biochemistry & Biotechnology .-Illustrat ed .-978-81-219-0627-X - Illustrat ed - S Chand & Co Pvt Ltd, New Delhi, New Delhi 2014 ISBN: 978-81-219-0627-X Dewey Class. No.: I:3:E9G P14/B27347