Model of natural organic matter

Wershaw, R. L. (2004). Evaluation of conceptual models of natural organic matter (humus) from a consideration of the chemical and biochemical processes of humification. Scientific Investigations Report 2004-5121, U.S. Geological Survey, Reston, VA. 

Kubicki, J.D. and Apitz, S.E., Models of natural organic matter interactions with organic contaminants, Org. Geochem., 30, 911, 1999. 

Figure 10.5. The relationship between number of samples and number of components determined by the analysts in 33 PARAFAC models of natural organic matter fluorescence EEMs, published...

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