1. Adamson, A. W.: Physical chemistry of surfaces. New York: Interscience (1960).
2. Alexander, M.: Biodegradation of pesticides. In: Pesticides and their effects on soils and water. Wisconsin, Soil Sci. Soc. Amer., Inc., ASA special pubi. 8, 78 (1966).
3. Aldrich, R. J.: Herbicides: Residues in soil. J. Agr. Food Chem. 1, 257 (1953).
4. Anderson, D. M.: Phase interface between ice and silicate surfaces. J. Colloid Interfac. Sci. 25, 174 (1967).
5. Anderson, D. M.: Phase boundary water in frozen soils. In symposium: Freezing and thawing. Soil Sci. Soc. Amer. Meeting, New Orleans (1968).