| Billman, D; Knutson, J (1996) Unsupervised concept learning and value systematicity: a complex whole aids learning the parts. J Exp Psychol Learn Mem Cogn 22:458-75 |
| Billman, D; Shaman, D (1990) Strategy knowledge and strategy change in skilled performance: a study of the game Othello. Am J Psychol 103:145-66 |
| Macario, J F; Shipley, E F; Billman, D O (1990) Induction from a single instance: formation of a novel category. J Exp Child Psychol 50:179-99 |
