Rhonda M. Dalrymple

The pigeon's variability discrimination with lists of successively presented visual stimuli.

M. Young, Edward A. Wasserman, MacKenzie A. Hilfers, 1999, Journal of experimental psychology. Animal behavior processes.

Memory-basedsame-different conceptualization by pigeons

E. Wasserman, M. Young, Rhonda M. Dalrymple, 1997 .