1. Altmann, S. A. (1974). Baboons, space, time and energy.Am. Zool. 14: 21–248.
2. Amoore, J. E. (1970).Molecular Basis of Odor, Charles C Thomas, Springfield, IL.
3. Amstrong, D. P., Gass, C. L., and Sutherland, G. D. (1987). Should foragers remember where they've been? Explorations of a simulation model based on the behavior and energetics of territorial hummingbirds. In Kamil, A. C., Krebs, J. R., and Pulliam, H. R. (eds.),Foraging Behavior, New York, Plenum Press, pp. 563–586.
4. Balda, R. P., and Turek, R. J. (1984). The cache-recovery system as an example of memory capabilities in Clark's nutcracker. In Roitblat, H. L., Bever, T. G., and Terrace, H. S. (eds.),Animal Cognition, Lawrence Erlbaum, Hillsdale, NJ, pp. 513–532.
5. Balda, R. P., Nunch, K. G., Kamil, A. C., Sherry, D. F., and Tomback, D. F. (1987). Cache site memory in birds. In Kamil, A. C., Krebs, J. R., and Pulliam, H. R. (eds.),Foraging Behavior, New York, Plenum Press, pp. 645–666.