@article{Voorspostel2009,
author = {Voorspostel, M. and Van der Lippe, T. and Gershuny, J.},
title= {Trends in free time with a partner: A transformation of intimacy?},
year = {2009},
doi = {10.1007/s11205-008-9383-8},
journal = {Social Indicators Research},
volume = {93},
number = {1},
pages = {165--169},
}