TY - BOOK AU - Frimmel, F. H., AU - Bracewell, J. M., AU - Christman, Russel F., ED - Dahlem Workshop on Humic Substances and Their Role in the Environment TI - Humic substances and thier role in the environment: report of the Dahlem Workshop on Humic Substances and Their Role in the Environment, Berlin 1987, March 29-April 3 T2 - Dahlem workshop reports. Life sciences research report SN - 0-471-91817-2 AV - QD341.A2 D34 1987 PY - 1988/// CY - Chichester PB - J. Wiley KW - Humus KW - Congresos KW - Ácido húmico KW - Química del agua KW - Química de suelos ER -