共 29 条
- [4] BALDWIN JE, IN PRESS
- [5] Bindra D, 1959, MOTIVATION SYSTEMATI
- [6] CALHOUN JB, 1962, SCI AM, V206, P139
- [7] CALHOUN JB, 1962, ROOTS BEHAVIOR, P295
- [9] Dumond F. V., 1967, International Zoo Yearbook, V7, P202, DOI 10.1111/j.1748-1090.1967.tb00394.x