21
Betz, Hans Dieter
| The University of Chicago Press |
2011
22
Betz, Hans Dieter
| University of Chicago |
2000
23
Betz, Hans Dieter
| University of Chicago |
2000
24
Smith, Heather M.
| American Psychological Association |
2002
25
Betz, Marian E.
| The Gerontological Society of America |
2016
26
Betz, Hans Dieter
| University of Chicago |
2015
27
Betzler, Monika
| The Univ. of Chicago |
2015
28
Betz, Hans Dieter
| University of Chicago |
1998
29
Betz, Hans Dieter
| University of Chicago |
1996
30
Betz, Hans Dieter
| University of Chicago |
1996
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