1. Atchley, R. C. (1993). Continuity theory and the evolution of activity in later adulthood. In J. R. Kelly (Hrsg.), Activity and aging: Staying involved in later life (S. 5–16). Sage.
2. Atchley, R. C. (1999). Continuity and adaptation in aging. Creating positive experiences. John Hopkins University Press.
3. Baltes, P. B., & Baltes, M. M. (1993). Psychological perspectives on successful aging: The model of selective optimization with compensation. In P. B. Baltes & M. M. Baltes (Hrsg.), Successful aging: Perspectives from the behavioral science (S. 1–34). Cambridge University Press.
4. Bendel, O. (Hrsg.). (2018). Pflegeroboter. Springer Nature.
5. Clarke, J. (2013). Spiritual care in everyday nursing practice: A new approach. Palgrave Macmillan.