@book{15440,
	author = {Pirson, A.},
	title = {Encyclopedia of plant physiology :},
	publisher = {Springer-Verlag,},
	year = {1975-},
	address = {Berlin ;},
	note = {Earlier ed. issued in 1955-1967 by W. Ruhland under title: Handbuch der Pflanzenphysiologie.}
}