Schulze, E. D., Lange, O. L., Evenari, M., Kappen, L., & Buschbom, U. (1974). The
role of air humidity and leaf temperature in controlling stomatal resistance of Prunus armeniaca L. under desert conditions.
I. A simulation of the daily course of stomatal resistance. Oecologia, 17(2),
159-170. doi:10.1007/BF00346278.