@techreport{Mills2015, author = {Mills, M. and Rotkirch, A. and Sobotka, T. and Takács, J. and Miettinen, A. and Faludi, C. and Nasiri, D.}, title= {State-of-the-art report: Childlessness in Europe}, year = {2015}, publisher = {Stockholm University}, address = {Stockholm}, number = {Families and Societies working paper 32}, }