@techreport{Cahu2011,
author = {Cahu, P. and Fall, F. and Pongou, R. },
title= {Demographic transition in Africa: The polygyny and fertility nexus.},
year = {2011},
URL = {http://congres.afse.fr/docs/2011/410307demographictransitionpolygamy.pdf},
publisher = {Unpublished Working paper},
}