Huemer, C., Kappel, G., Liegl, P., Schuster, R. (2012) ERPEL: Enabling Seamless Ad-hoc Cross Enterprise Collaborations, Proceedings of the Annual SRII Global Conference 2012.
Hofreiter, B., Huemer, C., Kappel, G., Mayrhofer, D. (2010) Inter-organizational Reference Modeling - A Position Statement, Proceedings of the International Workshop on Business System Management and Engineering @ TOOLS 2010, .