K. Meyer, M. Thieme, C. Zinke, и N. Drechsler. Smart Services and Service Science Proceedings of the 4th Internaional Symposium on Services Science, Leipzig (Germany), September 25, 2012, том 35 из Leipziger Beiträge zur Informatik, стр. 17-40. Leipzig, LIV/InfAI, (2012)
F. Schumacher, S. Klingner, R. Gey, и M. Becker. Services and New Societal Challenges: Innovation for Sustainable Growth and Welfare, стр. 1248--1255. (2014)