1. The Water Budget of the Tigris and Euphrates Basin;Al-Khashab;University of Chicago, Department of Geography, Res. Pap.,1958
2. Food-Climate Interactions,1981
3. Klimat v Proslom i Budustem;Budyko,1980
4. Global warming;Budyko,1977
5. Impacts of CO2-induced climatic change on water resources in the Great Lakes Basin;Cohen;Climatic Change,1986