TY - GEN ED - IMCO/FAO/Unesco/WMO/WHO/IAEA/UN/UNEP Joint Group of Experts on the Scientific Aspects of Marine Pollution GESAMP). TI - Land/sea boundary flux of contaminants : contributions from rivers T2 - GESAMP reports and studies ; no. 32 PY - 1987/// CY - Paris : PB - United Nations Educational, Scientific and Cultural Organization (Unesco) KW - Water pollution KW - Oceans and seas ER -