R. Karl Hanson, Arthur Gordon, Andrew J. R. Harris, Janice K. Marques, William Murphy, Vernon L. Quinsey, Michael C. Seto,
First report of the collaborative outcome data project on the effectiveness of psychological treatment for sex offenders. Sexual Abuse: A Journal of Research and Treatment. ,vol. 14, pp. 169- 194 ,(2002) ,
10.1177/107906320201400207