T. Trosterud, and K. Unhammer. Proceedings of the Third International Workshop on Free/Open-Source Rule-Based Machine Translation (FreeRBMT 2012), 2013:03, page 13--26. Gothenburg, Sweden, Chalmers University of Technology, (June 2012)
J. Ruth, and J. O'Regan. Proceedings of the Second International Workshop on Free/Open-Source Rule-Based Machine Translation, 2nd, page 69--76. Barcelona, Spain, Universitat Oberta de Catalunya, (January 2011)
K. Unhammer, and T. Trosterud. Proceedings of the First International Workshop on Free/Open-Source Rule-Based Machine Translation, page 35--42. Alicante, Universidad de Alicante. Departamento de Lenguajes y Sistemas Informáticos, (2009)