TY - JOUR A1 - Van Bavel, J. T1 - Choice of study discipline and the postponement of motherhood in Europe: the impact of expected earnings, gender composition, and family attitudes Y1 - 2010 DO - 10.1353/dem.0.0108 JF - Demography VL - 47 IS - 2 SP - 439 EP - -458 ER -