004820000a22001330004500003000900000005001700009110014400026245006000170264004000230490004100270300000900311041000800320650002000328PH-MaWHO20241108112059.0  aIMCO/FAO/Unesco/WMO/WHO/IAEA/UN/UNEP Joint Group of Experts on the Scientific Aspects of Marine Pollution (GESAMP) (9th : 1977 : New York).  aReport of the ninth session, New York, 7-11 March 1977.  aNew York : bUnited Nations,c1977.  a(GESAMP reports and studies ; no. 8)  a33p.  aeng  aWater pollution