@inbook{Courgeau2006,
author = {Courgeau, D. and Lelievre, E. },
title= {Individual and social motivations for migration},
year = {2006},
editor = {Caselli, G.},
editor = {Vallin, J.},
editor = {Wunsch, G.},
booktitle = {Demography: analysis and synthesis},
address = {London},
publisher = {Academic Press},
pages = {345−357},
}