by Russo, J E, Wisher, R A
Published in Memory & cognition (01.11.1976)

by Orvis, Kara L, Wisher, Robert A, Bonk, Curtis J, Olson, Tatana M
Published in Computers in human behavior (01.11.2002)

by Fisher, Donald L., Wisher, Robert A., Ranney, Thomas A.
Published in Journal of mathematical psychology (01.03.1996)

by Wisher, R.A., Abramson, L.J., Dees, J.J.
Published in Proceedings IEEE International Conference on Advanced Learning Technologies (2001)