C. Ess, S. Sugiyama, E. Sandry, и M. Pfadenhauer. Robophilosophy, том 273 из Frontiers in Artificial Intelligence and Applications, стр. 153-156. IOS Press, (2014)
K. Pfadenhauer, B. Kittl, S. Dustdar, и D. Levy. Business Process Management Workshops, том 4103 из Lecture Notes in Computer Science, стр. 237-248. Springer, (2006)