Kemper, S. ; Bontempo, D. ; McKedy, W.... The Journals of Gerontology Series B: Psychological Sciences and Social Sciences.
66B
(2010)
2
- p.
160-168
,
2010
Kemper, S. ; Herman, R. E. ; Liu, C.-J. The Journals of Gerontology Series B: Psychological Sciences and Social Sciences.
59
(2004)
5
- p.
P220-P224
,
2004