@article{de Jong Gierveld2004,
author = {de Jong Gierveld, J. and Havens, B.},
title= {Cross-national Comparisons of Social Isolation and Loneliness: Introduction and Overview},
year = {2004},
doi = {10.1111/j.0022-2445.2004.00017.x},
journal = {Canadian Journal on Aging},
volume = {23},
number = {2},
pages = {109--113},
}