Roberts, John. Practical plant physiology / J. Roberts, D. G. Whitehouse. - London ; New York : Longman, 1976. - xii, 161 p. : ill. ; 22 cm. Includes index. ISBN: 0582441277 Subjects--Topical Terms: Plant physiology--Laboratory manuals LC Class. No.: QK714.5 Dewey Class. No.: 581.1/028