@article{Kippen2007,
author = {Kippen, R. and Evans, A. and Gray, E.},
title= {Parental preference for sons and daughters in a Western Industrial Setting: Evidence and Limitations},
year = {2007},
doi = {10.1017/S0021932006001477},
journal = {Journal of Biosocial Science},
volume = {39},
pages = {583--597},
}