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Soil carbon in urban environments ... annual report.

MLA

Global Change National Program (U.S.) and United States. Soil carbon in urban environments ... annual report. Washington, D.C. : U.S. Dept. of Agriculture, Agricultural Research Service

APA

Global Change National Program (U.S.) & United States. (2006). Soil carbon in urban environments ... annual report. Washington, D.C. : U.S. Dept. of Agriculture, Agricultural Research Service.

Chicago

Global Change National Program (U.S.) and United States. Soil carbon in urban environments ... annual report. Washington, D.C. : U.S. Dept. of Agriculture, Agricultural Research Service

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