Components of productivity of Mediterranean-climate regions Basic and applied aspects: Proceedings of the International symposium on photosynthesis, primary production and biomass utilization in Mediterranean-type ecosystems, held in Kassandra, Greece, September 13–15, 1980

Physiological ecology of plants of the wet tropics: Proceedings of an International Symposium Held in Oxatepec and Los Tuxtlas, Mexico, June 29 to July 6, 1983