TY - JOUR A1 - Henz, U. A1 - Thomson, E. T1 - Union stability and stepfamily fertility in Austria, Finland, France & West Germany Y1 - 2005 DO - 10.1007/s10680-004-7267-4 JF - European Journal of Population VL - 21 IS - 1 SP - 3 EP - -29 ER -