Here is the CMT Uptime check phrase
PUBLICATIONS

Sources of well-being in very old age

Smith, Jacqui; Fleeson, William; Geiselmann, Bernhard; Settersten, Richard A; Kunzmann, Ute. (1999). Sources of well-being in very old age. In Baltes, Paul B., Mayer, Karl Ulrich (Ed.), The Berlin Aging Study: Aging from 70 to 100.. 450-471.