TY - JOUR A1 - Lutz, W. A1 - Skirbekk, V. A1 - Testa, M.R. T1 - The low fertility trap hypothesis: Forces that may lead to further postponement and fewer births in Europe Y1 - 2006 UR - http://hw.oeaw.ac.at/0xc1aa500d_0x00144e25 JF - Vienna Yearbook of Population Research VL - 2006 SP - 167 EP - -192 ER -