Reed, P., & Reynolds, G. (2011). The strength and generality of stimulus over-selectivity in simultaneous discrimination procedures. Learning and Motivation, 42(2), pp. 113-122. doi:10.1016/j.lmot.2010.12.001

Reed, Phil, and Gemma Reynolds. "The Strength and Generality of Stimulus Over-selectivity in Simultaneous Discrimination Procedures." Learning and Motivation 42, no. 2 (2011): 113-122.

Reed, Phil, and Gemma Reynolds. "The Strength and Generality of Stimulus Over-selectivity in Simultaneous Discrimination Procedures." Learning and Motivation 42.2 (2011): 113-122.