TY - JOUR A1 - Fieder, M. A1 - Huber, S. A1 - Bookstein, F.L. T1 - Socioeconomic status, marital status and childlessness in men and women: An analysis of census data from six countries Y1 - 2011 DO - 10.1017/S002193201100023X JF - Journal of Biosocial Science VL - 43 IS - 5 ER -