SOIL BASICS III THE BIOLOGICAL AND ORGANIC COMPONENTS IN SOIL - Introduction to Soil Chemistry - page 70

chemical Properties , Mickelson SH (ed.). Madison, WI: Soil Science Society of
America, pp. 865-906, 1994.
21. Tiessen H, Moir JO. Total and organic carbon. In Soil Sampling and Method
of Analysis , Carter MR (ed.). Ann Arbor, MI: Lewis Publishers, pp. 187-200,
1993.