TY - JOUR A1 - Hoem, Jan M. A1 - Kostova, Dora A1 - Jasilioniene, Aiva A1 - Mureşan, Cornelia T1 - Traces of the Second Demographic Transition in Four Selected Countries in Central and Eastern Europe: Union Formation as a Demographic Manifestation Y1 - 2009 DO - 10.1007/s10680-009-9177-y JF - European Journal of Population VL - 25 IS - 3 SP - 239 EP - -255 ER -