1. Aquatic respiration and underwater survival of two freshwater turtle species;Belkin;Respir. Physiol.,1968
2. Snakes of the World;Ditmars,1937
3. Aquatic respiration in Trionyx spinifer;Dunson;Herpetologica,1960
4. Marine Biology;Friedrich,1969
5. Association of fishes with flotsam in the offshore waters of Central America;Hunter,1967