1. Soil Moisture Tension as a Measure of Water Removal Rate from Soil and Its Relation to Weather Factors1
2. 1836 Il colletore del calorico Annali delle Scienze del Regno Lombardo-Veneto 1836, p. 200.
3. and 1950 U.S. Dep. Agric. Soil Conserv. Serv. Tech. Pamphl., No. 96.
4. The evaporation-energy equations and their practical application