TY - JOUR A1 - Basten, S. A1 - Huinink, J. A1 - Klüsener, S. T1 - Spatial variation of sub-national fertility trends in Austria, Germany and Switzerland Y1 - 2012 DO - 10.4232/10.CPoS-2011-08en JF - Comparative Population Studies VL - 36 IS - 2–3 ER -