Hans-Walter Heldt Plant Biochemistry. Ed 3 - 3rd Ed - San Diego Academic Press 2008 - 630p Hans-Walter Heldt: Plant Biochemistry. Ed 3. (3rd Ed) San Diego. Academic Press, 2008. 81-312-0003-2--(581.192HEL) ENGLISH ISBN: 81-312-0003-2 Dewey Class. No.: 581.192 / HEL