1. Banaszak-Holl, A., Fendrickx, A. M., Foster, N. L., Herzog, A. R., Kabeto, M. U., Kent, D. M., et al. (2004). Predicting nursing home admission. Estimates from a 7-year follow-up of a nationally representative sample of older Americans. Alzheimer Disease and Associated Disorders, 18(2), 83–89.
2. Berghman, J., Curvers, G., Palmans, S., & Peeters, H. (2007). Cartographie des retraités Belges. Partie 1: La Protection offerte par la pension légale, Working Paper Securité Sociale nr. 6. Bruxelles: SFP Sécurité Social.
3. Berghman, J., Debels, A., Vandenplas, H., Verleden, F., Mutsaerts, A., Peeters, H., et al. (2010). L’ Atlas des pensions 2010. Bruxelles: SFP Sécurité Social.
4. Bettio, F., & Plattenga, J. (2004). Comparing care regimes in Europe. Feminist Economics, 10(1), 85–113.
5. Börsch-Supan, A. (1992). Saving and consumption patterns of the elderly: The German case. Journal of Population Economics, 5(4), 289–303.