TY - JOUR A1 - Hiekel, N. A1 - Liefbroer, A.C. A1 - Poortman, A.-R. T1 - Marriage and separation risks among German cohabiters: Differences between types of cohabiters Y1 - (forthcoming) DO - 10.1080/00324728.2015.1037334 JF - Population Studies ER -