1. Plant response to carbon dioxide enrichment under field conditions: A simulation;Allen;Science,1971
2. Carbon dioxide and the climate: The uncontrolled experiment;Baes;American Scientist,1977
3. World energy demand to 2020;Bloodworth,1977
4. Interchange of water between the major oceans;Broecker;Journal of Geophysical Research,1970
5. Climate: The influence of aerosols;Charlson;Journal of Applied Meteorology,1969