@article{Willekens2011b,
author = {Willekens, F.},
title= {Microsimulation in population projection},
year = {2011b},
URL = {http://www.erudit.org/revue/cqd/2011/v40/n2/1011542ar.pdf
%[21 March 2014},
journal = {Cahiers Québécois de Démographie},
volume = {40},
number = {2},
pages = {267--297 (in French)},
}