@article{De Jong Gierveld2009,
author = {De Jong Gierveld, J. and Broese van Groenou, M. and Hoogendoorn, A.W. and Smit, J.H.},
title= {Quality of marriages in later life and emotional and social loneliness},
year = {2009},
doi = {10.1093/geronb/gbn043},
journal = {Journal of Gerontology: Social Sciences},
volume = {64B},
number = {4},
pages = {497--506},
}