Verma, S. K. Textbook of plant physiology, biochemistry and biotechnology / S. K. Verma and Mohit Verma - 6th ed., - India S. Chand 2007 - 748 p. ISBN: 9788121906272 Subjects--Topical Terms: Nitogen metabolism and Nitrogen CycleᅠPhotosynthesisᅠPlant cellsᅠ Dewey Class. No.: 571.6552 VER-S