Biogeochemistry of major world rivers /
Degens, Egon T.
Kempe, Stephan.
Richey, Jeffrey E.
International Council of Scientific Union.Scientific Committee on Problems of the Environment.
Chichester : Published on behalf of the Scientific Committee on the Problems of the Environment (SCOPE) of the International Council of Scientific Unions (ICSU), and the United Nations Environment Programme (UNEP) by Wiley,
c1991.