Abel, Mittelman, & Becker

G. Abel, Mittelman, & J. Becker, The effects of erotica on paraphiliacs' behavior (1985), Unpublished manuscript, Emory University.

cited in:

Edward Donnerstein, Daniel Linz, Steven Penrod, The Question of Pornography: Research Findings and Policy Implications (1987), The Free Press - A Division of MacMillan, Inc., Chap. 3, p. 70