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Evaluation of conceptual models of natural organic matter (humus) from a consideration of the chemical and biochemical processes of humification / by Robert L. Wershaw.

R. L Wershaw Geological Survey (U.S.)

Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Information Services distributor 2004

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Biogeochemical processes that produce dissolved organic matter from wheat straw / by Robert L. Wershaw [and others].
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Biogeochemical processes that produce dissolved organic matter from wheat straw / by Robert L. Wershaw [and others].

R. L Wershaw; Geological Survey (U.S.)

Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey 2003

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Changes in composition and porosity occurring during the thermal degradation of wood and wood components / by David W. Rutherford, Robert L. Wershaw, and Larry G. Cox.

David W Rutherford R. L Wershaw; Larry G Cox; Geological Survey (U.S.)

Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey 2005

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by this author/creator:

  1. Wershaw, R. L
  2. Rutherford, David W
  3. Cox, Larry G

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