TY - CHAP A1 - Kohler, H.P. A1 - Billari, F.C. A1 - Ortega, J.A. T1 - Low Fertility in Europe: Causes, Implications, and Policy Options Y1 - 2006 A3 - Harris, F.R. T2 - The baby bust: Who will do the work? Who will pay the taxes? CY - Lanham, MD PB - Rowman SP - 48 EP - -109 ER -