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Type Year Authors Title Source ID
Book Section 1958 Pelzer, Karl J. Land utilization in the humid tropics: agriculture The Proceedings of the Ninth Pacific Science Congress, 1957 [Pelzer, 1958 #24466]
Book Section 1978 Pelzer, Karl J. Swidden cultivation in Southeast Asia: historical, ecological, and economic perspectives Farmers in the forest: economic development and marginal agriculture in northern Thailand [Pelzer, 1978 #24951]
Book in a Series 1945 Pelzer, Karl J. Pioneer settlement in the Asiatic tropics [Pelzer, 1945 #21984]