Nakamura, T., Wright, A. A., Katz, J. S., Bodily, K. D., & Sturz, B. R. (2009). Abstract-Concept Learning Carryover Effects from the Initial Training Set. J Comp Psychol.

Nakamura, Tamo, Anthony A. Wright, Jeffrey S. Katz, Kent D. Bodily, and Bradley R. Sturz. "Abstract-Concept Learning Carryover Effects From the Initial Training Set." J Comp Psychol 2009.

Nakamura, Tamo, et al. "Abstract-Concept Learning Carryover Effects From the Initial Training Set." J Comp Psychol 2009.