1. Experiments with grass carp in controlling exotic macrophytes in New Zealand;Chapman;Hidrobiologia,1971
2. A Fishery Survey of the Lakes and Ponds of Connecticut;Connecticut State Board of Fisheries and Game,1959
3. Use of X-ray emission spectroscopy in the chemical analysis of lake sediments determining 41 elements;Cowgill;Develop. Appl. Spectrosc.,1966
4. A comparative study in eutrophication;Cowgill;Develop. Appl. Spectrosc.,1968
5. The hydrogeochemistry of Linsley Pond, North Branford, Connecticut. 1. Introduction, field work and chemistry by X-ray emission spectroscopy;Cowgill;Arch. Hydrobiol.,1970