@article{Hank2003,
author = {Hank, K. and Kohler, H.P.},
title= {Sex preferences for children revisited: New evidence from Germany},
year = {2003},
doi = {10.3917/pope.301.0133},
journal = {Population (English edition)},
volume = {58},
number = {1},
pages = {133--144},
}