1. Travis-Neideffer, M. N., Ludvigson, H. W., & Moreno, R. Deprivation-state specificity of odor cues in the rat: Constraints vs. overshadowing. Paper presented at the meeting of the Southwestern Psychological Association, 1981.
2. Davis, S. F., Burns, R. A., Howard, A. J., & Voorhees, J. W. Odor-based double-alternation patterning as a function ofvarious types of liquid reinforcement. Unpublished manuscript, 1981.