1. Wild, D., Nayak, U.S., Isaacs, B.: How dangerous are falls in old people at home? British Medical Journal (Clinical Research Ed.) 282, 266–268 (1981)
2. Noury, N., Rumeau, P., Bourke, A.K., OLaighin, G., Lundy, J.E.: A proposal for the classification and evaluation of fall detectors. Biomedical Engineering and Research IRBM 29, 340–349 (2008)
3. Leikas, J., Salo, J., Poramo, R.: Security Alarm System Supports Independent Living of Demented Persons. Gerontechnology: A Sustainable Investment in the Future. Technology and Informatics 48, 402–405 (1998)
4. Lubinski, R.: Dementia and Communication. B.C. Decker, Inc. (1991)
5. Yu, X.: Approaches and principles of fall detection for elderly and patient. In: 10th International Conference on e-health Networking, Applications and Services (HealthCom 2008), pp. 42–47 (2008)