R. Happach, and M. Tilebein. Collective Agency and Cooperation in Natural and Artificial Systems – Explanation, Implementation and Simulation, Springer Gabler, Heidelberg, (2015)
R. Happach, and M. Tilebein. Modelbasiertes Management; Konferenz für Wirtschafts- und Sozialkybernetik KyWi 2013 vom 4. bis 5. Juli 2013 in Bern, volume 29 of Wirtschaftskybernetik und Systemanalyse (WS), page 117-132. Berlin, Duncker & Humblot, (2013)
R. Happach, and M. Tilebein. Proceedings of the 31st International Conference of the System Dynamics Society, Cambridge, Massachusetts, USA, 21st - 25th Jul 2013, (2013)