Progar, P. R., North, S. T., Bruce, S. S., DiNovi, B. J., Nau, P. A., Eberman, E. M., . . . Nussbaum, C. N. (2001). Putative behavioral history effects and aggression maintained by escape from therapists.

Progar, P R., S T. North, S S. Bruce, B J. DiNovi, P A. Nau, E M. Eberman, J R. Bailey, ja C N. Nussbaum. Putative Behavioral History Effects and Aggression Maintained By Escape From Therapists. 2001.

Progar, P R., et al. Putative Behavioral History Effects and Aggression Maintained By Escape From Therapists. 2001.