1. AYLLON, T. (1960) Some behavioural problems associated with eating in chronic schizophrenic patients. Paper read at APA meeting, Chicago.
2. The psychiatric nurse as a behavioural engineer;AYLLON;J. Exp. Anal. Behav.,1959
3. Escape and avoidance responses of pre-school children to two schedules of reinforcement withdrawal;BAER;J. Exp. Anal. Behav.,1960
4. Effect of withdrawal of positive reinforcement on an extinguishing response in young children;BAER;Child Develop.,1961
5. BAER, D. M. (1961b) Modes of presenting social reinforcers. Paper read at APA meeting, New York.