S. Toffey

The effect of rotation and tilt on the magnitude of the Poggendorf illusion.

H. Leibowitz, S. Toffey, 1966, Vision research.

Behavioral control by an imprinted stimulus.

S. Toffey, Howard S. Hoffman, Frederick Kozma, 1966, Journal of the experimental analysis of behavior.

Intensity-time relationship and perceived shape.

J. L. Searle, H. Leibowitz, S. Toffey, 1966, Journal of Experimental Psychology.