Ricci, John A2011-07-122011-07-121971http://hdl.handle.net/2097/10420Digitized by Kansas Correctional IndustriesClassically conditioned keypecking to simple and compound stimuli of long durationThesisThis volume was digitized and made accessible online due to deterioration of the original print copy. If you are the author of this work and would like to have online access removed, please contact the Library Administration Office, 785-532-7400, library@k-state.edu.