Verma , S K . A textbook of Plant Physiology, Biochemistry and Biotechnology / Textual Documents S K Verma and Mohit Verma. - 6th ed / - New Delhi : S Chand & Co , 2007. - 112pg ; 24cm. Subjects--Index Terms: Plant Physiology, Biochemistry - Biotechnology G-Botany Dewey Class. No.: 581 / Ve 51 Pl