Ninness, Chris, Dixon, Mark, Barnes-Holmes, Dermot and Rehfeldt, Ruth-Anne (2009) Constructing and deriving reciprocal trigonometric relations: A functional analytic approach. Journal of Applied Behavior Analysis, 42. pp. 191-208. ISSN 0021-8855
Roche, Bryan, Linehan, Conor, Ward, Tomas E., Dymond, Simon and Rehfeldt, Ruth-Anne (2004) The Unfolding of the Relational Operant: A Real-time Analysis Using Electroencephalography and Reaction Time Measures. International Journal of Psychology and Psychological Therapy, 4 (3). pp. 587-603.
Dixon, Mark R., Dymond, Simon, Rehfeldt, Ruth-Anne, Roche, Bryan and Zlomke, Kimberley R. (2003) Terrorism and Relational Frame Theory. Behavior and Social Issues, 12 (2). pp. 129-147. ISSN 1064-9506