1. High dosage treatment of a Quebec stream with Bacillus thuringiensis var. israelensis;Back,1985
2. Effect of Bacillus thuringiensis var israelensis on non-target insects in stream trails for control of Simuliidae;Colbo;Mosquito News,1980
3. The applied significance of ecological studies of aerobic processes;Hawkes,1983
4. Biological Indicators of Freshwater Pollution and Environmental Management;Hellawell,1986
5. Control of sewage filter flies using Bacillus thuringiensis var israelensis;Houston,1987