@article{Stevens2006,
author = {Stevens, N. and Westerhof, G.J.},
title= {Marriage, social integration and loneliness in the second half of life: A comparison of Dutch and German men and women},
year = {2006},
doi = {10.1177/0164027506291747},
journal = {Research on Aging},
volume = {28},
number = {6},
pages = {713--729},
}