@article{Calot1981,
author = {Calot, G.},
title= {Le mouvement journalier des naissances à l’intérieur de la semaine (Daily movement of births during the week)},
year = {1981},
doi = {10.2307/1532617},
journal = {Population },
volume = {36},
number = {3},
pages = {477--504},
}