Journal Article
Antonucci, T. C.,
Lansford, J. E.,
Schaberg, L.,
Smith, J.,
Baltes, M. M.,
Akiyama, H.,
Takashashi, K.,
Fuhrer, R., &
Dartigues, J.-F. (2001). Widowhood and illness: A comparison of social network characteristics in France, Germany, Japan, and the United States.
Psychology and Aging,
16(4), 655–665.