@techreport{KreyenfeldPoetzschKubisch, type = {Working Paper}, author = {Kreyenfeld, Michaela and P{\"o}tzsch, Olga and Kubisch, Karolin}, title = {The Human Fertility Database Documentation: Germany}, editor = {Kreyenfeld, Michaela}, publisher = {humanfertility.org}, pages = {14}, language = {en} }