TY  - JOUR
T1  - Age differences in daily social activities
AU  - Marcum, Christopher Steven
PY  - 2013
DO  - 10.1177/0164027512453468
SP  - 612
EP  - 640
JO  - Research on Aging
VL  - 35
IS  - 5
SN  - 0164-0275
ER  -