Brocke J. Design Science at the Intersection of Physical and Virtual Design 8th International Conference, DESRIST 2013, Helsinki, Finland, June 11-12, 2013. Proceedings / / edited by Jan Brocke, Riitta Hekkala, Sudha Ram, Matti Rossi. // Springer eBooks. URL: http://dx.doi.org/10.1007/978-3-642-38827-9