(2006). Abstracts. 18th World congress of soil science (July 9-15, 2006, Philadelphia).
Chicagoスタイル(17版)引用形式Abstracts. 18th World Congress of Soil Science (July 9-15, 2006, Philadelphia). 2006.
MLA(9版)引用形式Abstracts. 18th World Congress of Soil Science (July 9-15, 2006, Philadelphia). 2006.
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