Citation: M. Riediger et al., THE GERMAN VERSION OF THE CENTER FOR EPIDEMIOLOGIC STUDIES DEPRESSIONSCALE AS AN INSTRUMENT IN GERONTOLOGICAL RESEARCH, Zeitschrift fur klinische Psychologie, Psychiatrie und Psychotherapie, 46(4), 1998, pp. 344-364
Citation: Al. Horgas et al., DAILY-LIFE IN VERY OLD-AGE - EVERYDAY ACTIVITIES AS EXPRESSION OF SUCCESSFUL LIVING, The Gerontologist, 38(5), 1998, pp. 556-568