246111 Keulen, H. v. (1975). Simulation of water use and herbage growth in arid regions. Wageningen : Centre for Agricultural Pub & Documentation.
Lua i Stíl Chicago (17ú heag.)246111 Keulen, H. van. Simulation of Water Use and Herbage Growth in Arid Regions. Wageningen : Centre for Agricultural Pub & Documentation, 1975.
Lua MLA (9ú heag.)246111 Keulen, H. van. Simulation of Water Use and Herbage Growth in Arid Regions. Wageningen : Centre for Agricultural Pub & Documentation, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.