Re-conceptualizing Learning Environments: A Framework for Pervasive eLearning
R. Keil-Slawik, T. Hampel, and B. Eßmann. Proceedings 3rd IEEE Int. Conf. on Pervasive Computing and Communications PerCom 2005. Workshop on Pervasive ELearning PerEL'05, page 322-326. Kauai island, Hawaii, (March 2005)