@inbook{Rallu2008,
author = {Rallu, J.L.},
title= {One-way or both-ways migration surveys},
year = {2008},
editor = {Bonifazi, C.},
editor = {Okolski, M.},
editor = {Schoorl, J.},
editor = {Simon, P.},
booktitle = {International migration in Europe: New trends and new methods of analysis},
address = {Amsterdam},
publisher = {Amsterdam University Press},
pages = {273--292},
}