246111 Keulen, H. v. (1975). Simulation of water use and herbage growth in arid regions. Wageningen : Centre for Agricultural Pub & Documentation.
Chicago-referens (17:e uppl.)246111 Keulen, H. van. Simulation of Water Use and Herbage Growth in Arid Regions. Wageningen : Centre for Agricultural Pub & Documentation, 1975.
MLA-referens (9:e uppl.)246111 Keulen, H. van. Simulation of Water Use and Herbage Growth in Arid Regions. Wageningen : Centre for Agricultural Pub & Documentation, 1975.
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