Humic substances and their role in the environment report of the Dahlem Workshop on Humic Substances and their Role in the Environment, Berlin 1987, March 29-April 3
Dahlem Workshop on Humic Substances and their Role in the Environment(1987 :Berlin, Germany)
Frimmel, F. H.
Christman, Russell F.(Russell Fabrique)1936-
Chichester Wiley
c1988
Includes index
Humus.