Salas, G. d. l. (1979). Zonification and the multiple use of soils in tropical America: Problems and perspectives.
シカゴスタイル引用形Salas, Gonzalo de las. Zonification and the Multiple Use of Soils in Tropical America: Problems and Perspectives. 1979.
MLA引用形式Salas, Gonzalo de las. Zonification and the Multiple Use of Soils in Tropical America: Problems and Perspectives. 1979.
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