1. Rising atmospheric CO2 and evapotranspiration;Allen,1985
2. The effects of climatic variations on agriculture in Iceland;Bergthorsson,1988
3. Response of North American Corn Belt to Climatic Warming;Blasing,1983
4. Climatic change and future agroclimatic potential in Europe;Carter;Int. J. Climatol.,1991
5. Carbon dioxide doubling responses: a crop survey;Cure,1985