Physiology and Mechanisms of Airborne Pollutant Injury to Vegetation, 1979-80 Organization Government of Alberta Alberta Oil Sands Environmental Research Program Natural Resources Canada
Symptomology and Threshold Levels of Air Pollutant Injury to Vegetation, 1979-80 Organization Government of Alberta Alberta Oil Sands Environmental Research Program Natural Resources Canada
Interim Report on Symptomology and Threshold Levels of Air Pollutant Injury to Vegetation, 1975 to 1978 Organization Government of Alberta Alberta Oil Sands Environmental Research Program Natural Resources Canada
Interim Report on Physiology and Mechanisms of Air-borne Pollutant Injury to Vegetation, 1975 to 1978 Organization Government of Alberta Alberta Oil Sands Environmental Research Program Natural Resources Canada
Evaluation of Threshold Freezing Conditions for Winter Road Construction over Discontinuous Permafrost Peatlands, Subarctic Canada Organization Natural Resources Canada
Effects of Mechanical Site Preparation on Microsite Availability and Growth of Planted Black Spruce in Canadian Paludified Forests Organization University of Quebec Natural Resources Canada
