TY - JOUR A1 - Vitali, A. A1 - Billari, F.C. A1 - Prskawetz, A. A1 - Testa, M.R. T1 - Preference theory and low fertility: A comparative perspective Y1 - 2009 DO - 10.1007/s10680-009-9178-x JF - European Journal of Population VL - 25 IS - 4 SP - 413 EP - -438 ER -