Charlotte P. Lee, Paul Dourish, and Gloria Mark. Proceedings of the 2006 20th anniversary conference on Computer supported cooperative work, page 483--492. Banff and Alberta and Canada, ACM, (2006)
S. Scott, and W. Venters. Virtuality and Virtualization, volume 236 of IFIP International Federation for Information Processing, Springer US, Boston and MA, (2007)
R. Lukyanenko, J. Parsons, and Y. Wiersma. Service-Oriented Perspectives in Design Science Research, volume 6629 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, Berlin and Heidelberg, (2011)