TY  - RPRT
A1  - Kreyenfeld, M.
A1  - Zeman, K.
A1  - Burkimsher, M.
A1  - Jaschinski, I. 
T1  - Fertility data for German-speaking countries What is the potential? Where are the pitfalls?. 
Y1  - 2010
PB  - Max Planck Institute for Demographic Research 
CY  - Rostock
IS  - MPIDR Working Paper 2011-003

ER  -