Chemical equilibrium and reaction models - Ajwa, Husein A. (Soil Science Society of America, Inc., 1995)
"Procedings of an international symposium sponsored by Divisions S-1, S-2, and S-4, of the Soil Science Society of America, and Division A-5 of the American Society of Agronomy in San Antonio, Texas, 23 and 24 October 1990"