by Global Environmental Monitoring System
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Selected works on integrated monitoring
Assessment of chemical contaminants in f...
Assessment of freshwater quality
Selected works on ecological monitoring ...
Urban air pollution, 1973-1980
Towards the design for a meta-database f...
Evaluation of water-quality data and mon...
A water-resources data-network evaluatio...
Relations of surface-water quality to st...
Quality-assurance data for routine water...
Ground-water-quality-monitoring program ...