1. Gerontechnology 9th World Conference in Taiwan, vol 13, no. 2 (2014)
2. Graafmans, J., Taipale, V., Charness, N. (eds.): Gerontechnology. A Sustainable Investment in the Future. IOS Press, Amsterdam (1998)
3. Bangemann, M.: Europé and the global information society. Recommendations to the European Council, European Union. High-Level Group on the Information Society. European Commission, Brussels (1994)
4. European Year for active Ageing (2012).
http://ec.europa.eu/archives/ey2012/
5. WHO: Good health. Add life to years. Global brief for World Health Day 2012 (2012)