Book Chapter
Helmchen, H.,
Baltes, M. M.,
Geiselmann, B.,
Kanowski, S.,
Linden, M.,
Reischies, F. M.,
Wagner, M.,
Wernicke, T., &
Wilms, H.-U. (2001). Psychiatric illness in old age. In
P. B. Baltes &
K. U. Mayer (Eds.),
The Berlin Aging Study: Aging from 70 to 100 (pp. 167–196). Cambridge University Press.