(1982). The soils of the flat wetland of the world, their distribution and their agricultural potential. Wageningen: International Soil Museum.
Trích dẫn kiểu ChicagoThe Soils of the Flat Wetland of the World, Their Distribution and Their Agricultural Potential. Wageningen: International Soil Museum, 1982.
MLA citiranjeThe Soils of the Flat Wetland of the World, Their Distribution and Their Agricultural Potential. Wageningen: International Soil Museum, 1982.
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