@inbook{Bernardi2006,
author = {Bernardi, L. and Gabrielli, G.},
title= {Between first and second birth in Italy},
year = {2006},
editor = {Riunione, Atti della XLIII},
booktitle = {Scientifica, Società Italiana di Statistica},
address = {Torino},
publisher = {139-142},
}