Linnerooth-Bayer, J. <https://pure.iiasa.ac.at/view/iiasa/182.html>  (1995).  The Varresbecker Bach participatory process: An evaluation.    In:  Fairness and Competence in Citizen Participation: Evaluating Models for Environmental Discourse. Eds. Renn, O., Webler, T., & Wiedemann, P.,  Dordrecht: Kluwer Academic Publishers.  ISBN 0-7923-3517-1