found: Work cat.: Cottingham, D. Persistent marine debris : challenge and response : the federal perspective, 1989.
found: Workshop on Fisheries-generated Marine Debris and Derelict Fishing Gear (1988 : Portland, Or.). Oceans of plastic ... 1988.
found: The International Coastal Cleanup, 1998:p. 1 (marine debris) p. 5 (60 to 80 percent of the trash that pollutes the world's waters originates on land; litter; garbage) p. 27 (marine litter)
found: A guide to cleaning up beach debris in Alaska, 1989:p. iv (Marine debris--trash in the ocean) p. 1 (ocean trash) p. 14 (marine refuse)
notfound: ASTI;McGraw-Hill encyc. sci. tech.
