Roundtable on the Surveillance and Monitoring Requirements for Assessing Human Health Hazards Posed by Contaminants in the Great Lakes Basin Ecosystem (1982 : East Lansing, Mich.)
Task Group C (Canadian Section) activity 3, International Reference Group on Great Lakes Pollution from Land Use Activities / R. C. Ostry ... [and others]
Task Group D (Canadian Section) activity 3.3 International Reference Group on Great Lakes Pollution from Land Use Activities, International Joint Commission ; by K. Suns ... [and others]