A. Wehbi, M. Hina, A. Zaguia, A. Ramdane-Cherif, and C. Tadj. Toward Useful Services for Elderly and People with Disabilities: 9th International Conference on Smart Homes and Health Telematics, ICOST 2011, Montreal, Canada, (2011)
D. Reichart, A. Dittmar, P. Forbrig, and M. Wurdel. Interactive Systems: Design, Specification, and Verification, 15th International Workshop, DSV-IS 2008, Kingston, Canada, (2008)