N. Weber, T. Nelkner, K. Schoefegger, and S. Lindstaedt. Proceedings of the Third International Workshop on Mashup Personal Learning Environments (MUPPLE09), in conjunction with the 5th European Conference on Technology Enhanced Learning (EC-TEL2010), Barcelona, Spain, (September 2010)
G. Attwell, J. Cook, and A. Ravenscroft. 2nd World Summit on the Knowledge Society (WSKS 2009), Crete, Greece, (2009), 49, page 15-25. Springer, (2009)
T. Nelkner, W. Reinhardt, and G. Attwell. 1st International Workshop on Learning in Enterprise 2.0 and Beyond, volume 383 of CEUR Workshop Proceedings, (2008)