1. A quantitative approach to parasitism;Crofton;Parasitology,1971a
2. A model for host-parasite relationships;Crofton;Parasitology,1971b
3. Impact of ecological succession on the parasite fauna in centrarchids from oligotrophic and eutrophic ecosystems;Esch;American Midland Naturalist,1971
4. Studies on the seasonal dynamics of Crepidostomum cooperi in the burrowing mayfly, Hexagenia limbata;Esch;Proceedings of the Helminthological Society of Washington,1982