1. Eggshell changes in certain North American birds;Anderson;Proc. Int. Ornithol. Congr.,1972
2. Argyle, R. L. 1986. Status of forage stocks in Lake Huron, 1985. Great Lakes Fish Comm., Lake Huron Comm. Meeting, Sault Ste. Marie, Ontario, 17 March 1986. Unpubl. report.
3. Bishop, C. A., Weseloh, D. V., Burgess, N., Struger, J., and Norstrom, R. J. (in prep.). The atlas of contaminants in eggs of colonial fish-eating birds of the Great Lakes. Canadian Wildlife Service Technical Report Series.
4. Burger, J. 1984. Pattern, mechanism, and adaptive significance of territoriality in herring gulls (Larus argentatus). Ornithol. Monograph. No. 34.
5. Shell thinning in avian eggs by environmental pollutants;Cooke;Environ. Pollut.,1973