1. Antle J.M., Uehara G. (2002) Chapter 1: Creating Incentives for Sustainable Agriculture: Defining, Estimating Potential and Verifying Compliance with Carbon Contracts for Soil Carbon Projects in Developing Countries, in: SM CRSP. 2002, A Soil Carbon Accounting and Management System for Emissions Trading, Soil Management Collaborative Research Support Program. Special Publication, SM CRSP 2002-4, University of Hawaii, Honolulu, Hawaii, p. 111.
2. Brady N.C., Weil R.R. (2002) The Nature and Properties of Soils, 13th ed., Prentice Hall, Upper Saddle River, New Jersey.
3. Casenave A., Valentin, C. (1989) Les états de surface de la zone Sahélienne – influence sur l'infiltration, Collection Didactiques ORSTOM, Paris, France.
4. Long-term impact of reduced tillage and residue management on soil carbon stabilization: Implications for conservation agriculture on contrasting soils