1. Tidally rhythmic behaviour of marine animals;Naylor,1985
2. Biologic clocks—an introduction;Sweeney;BioScience,1983
3. An oscillation model for biologic clocks;Pittendrigh,1957
4. Rhythmic activity in animal physiology and behavior;Cloudsley-Thompson,1961
5. The circadian system of man;Wever,1979