1. The structure of primate social communication;Altmann,1967
2. Conceptual issues in the study of communication;Beer,1983
3. Motives and metaphors in considerations of animal nature;Beer,1983
4. Animal signals:information or manipulation?;Dawkins,1984
5. Intentional systems in cognitive ethology: the ‘Panglossian paradigm’ defended;Dennett;Behav. Brain Sci,1983