1. An analog study of covert positive reinforcement;Ascher,1973
2. Experimental control of sexual deviation through manipulation of the noxious scene in covert sensitization;Barlow;Journal of Abnormal Psychology,1969
3. The contribution of therapeutic instructions to covert sensitization;Barlow;Behaviour Research and Therapy,1972
4. Gender identity change in a transsexual;Barlow;Archives of General Psychiatry,1973
5. The experimental analyses of imagery: The parameters of covert reinforcement;Baron,1974