"Proceedings of the Third International Conference on the Conservation and Management of Lakes ... held in Keszthely, Hungary, 11-17 September 1988" - T.p. verso
Analysis
Lake conservation Congresses
Lake ecology Congresses
Lake restoration Congresses
Lakes Congresses Management
Water Congresses Pollution
Ecology
Lakes
Natural resource management
Overseas item
Water pollution
Notes
"Proceedings of the Third International Conference on the Conservation and Management of Lakes ... held in Keszthely, Hungary, 11-17 September 1988"--Title page verso
Organized and sponsored by the United Nations Environment Programme and the International Lake Environment Committee