1. Neonatal imitation;Anisfeld;Dev. Rev.,1991
2. The vocal repertoire of the Indian hill mynah, Gracula religiosa;Bertram;Anim. Behav. Monogr.,1970
3. Push or pull: An experimental study of imitation in marmosets;Bugnyar;Anim. Behav.,1997
4. Posture and Gesture;Bull,1987
5. Protocol analysis in problem-solving;Byrne,1983