@article{KreyenfeldHornungKubisch2014, author = {Michaela Kreyenfeld and Anne Hornung and Karolin Kubisch}, title = {The German Generations and Gender Survey: Some Critical Reflections on the Validity of Fertility Histories}, journal = {Comparative Population Studies}, volume = {38}, number = {1}, pages = {3 -- 28}, year = {2014}, }