@inbook{Ongaro2002, author = {Ongaro, F.}, title= {Low fertility in Italy between explanatory factors and social and economic implications: Consequences for the research}, year = {2002}, booktitle = {Proceedings XLI Riunione Scientifica della SIS}, address = {Padua}, publisher = {CLEUP}, series = {June, 5-7, Sessioni plenarie e specializzate}, }