TY - CHAP A1 - Kohler, H.-P. A1 - Billari, F. A1 - Ortega, J. 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 & Littlefield Publishers SP - 48 EP - -109 ER -