TY  - JOUR
A1  - Klein Ikkink, K.
A1  - Van Tilburg, T.
T1  - Broken ties: Reciprocity and other factors affecting the termination of older adults' relationships
Y1  - 1999
DO  - 10.1016/S0378-8733(99)00005-2
JF  - Social networks
VL  - 21
IS  - 2
SP  - 131
EP  - -146

ER  -