Vadhan, N. P., Myers, C. E., Rubin, E., Shohamy, D., Foltin, R. W., & Gluck, M. A. (2007). Stimulus-Response Learning in Long-Term Cocaine Users: Acquired Equivalence and Probabilistic Category Learning.

Vadhan, Nehal P., Catherine E. Myers, Eric Rubin, Daphna Shohamy, Richard W. Foltin, and Mark A. Gluck. Stimulus-Response Learning in Long-Term Cocaine Users: Acquired Equivalence and Probabilistic Category Learning. 2007.

Vadhan, Nehal P., et al. Stimulus-Response Learning in Long-Term Cocaine Users: Acquired Equivalence and Probabilistic Category Learning. 2007.