1. Physical aspects of swimbladder function;Alexander;Biological Reviews,1966
2. Buoyancy;Alexander,1993
3. Physiology and function of the swimbladder;Blaxter;Advances in Comparative Physiology and Biochemistry,1978
4. Three-dimensional spatial representation in freely swimming fish;Burt de Perera;Cognitive Processing,2012
5. Burt de Perera, T., Holbrook, R. I., Davis, V., Kacelnik, A. & Guilford, T. In press. Metric encoding in the vertical axis of space. Behavioral and Brain Sciences.