Handbuch der pflanzenphysiologie (Encyclopedia of plant physiology) Volume 17: Physiologie der bewegungen (Physiology of movements; Part 2, movements due to the effects of temperature, gravity, chemical factors, and internal factors): Edited by W. Ruhland. Edited by Erwin Bünning, Botanisches Institut der Universität Tübingen. Springer, Berlin (1962). xxiv + 1174 pp. DM 340,—. (Subscription price, DM 272)