@article{Kalmijn2003,
author = {Kalmijn, M.},
title= {Shared friendship networks and the life course: An analysis of survey data on married and cohabiting couples},
year = {2003},
doi = {10.1016/S0378-8733(03)00010-8},
journal = {Social Networks},
volume = {25},
number = {3},
pages = {231--249},
}