1. The cache-recovery system as an example of memory capabilities in Clark's nutcracker;Balda,1984
2. Basil, J. A. 1993, Neuroanatomical and behavioral correlates of spatial memory in Clark's nutcrackers
3. Spatial memory in a food storing corvid: I. Near tall landmarks are primarily used;Bennett;Journal of Comparative Physiology A,1993
4. The vector sum model of pigeon landmark use;Cheng;Journal of Experimental Psychology: Animal Behavior Processes,1989
5. More psychophysics of the pigeon's use of landmarks;Cheng;Journal of Comparative Physiology A,1990