@article{Belot2009,
author = {Belot, M. and Ermisch, J.F.},
title= {Friendship ties and geographical mobility: Evidence from Great Britain},
year = {2009},
doi = {10.1111/j.1467-985X.2008.00566.x},
volume = {172},
number = {2},
pages = {427--442},
}