References
- Beier , E. G. , Izard , C. E. , Smock , C. D. and Tougas , R. R. “Response to the human face as a standard stimulus: a re-examination of hypothesis.” . Jour. consult. Psychol , (In press.)
- Izard , C. E. 1952 . “Perceptual responses of paranoid schizophrenic and normal subjects to photographs of human faces.” , Syracuse University . Unpublished dissertation