PFEFFER, W. The Physiology of plants: a treatise upon the metabolism and of energy in plants.(V 1) /W. Pfeffer;translated and edited by Alfred J.Ewart - 2nd rev. ed. - Oxford Clarendon 1897 - xii,632p. Contains:With many illustrations . Subjects--Topical Terms: PLANT PHYSIOLOGY Dewey Class. No.: BOT 581.1 / PWe99