@article{Cukrowska-Torzewska2023, author = {Cukrowska-Torzewska, E. and Grabowska, M.}, title= {The sex preference for children in Europe: Children’s sex and the probability and timing of births}, year = {2023}, doi = {10.4054/DemRes.2023.48.8}, volume = {48}, number = {8}, pages = {203--232}, }