@article{Xie2009,
author = {Xie, Y. and Zhu, H.},
title= {Do sons or daughters give more money to parents in urban China?},
year = {2009},
doi = {10.1111/j.1741-3737.2008.00588.x},
volume = {71},
number = {1},
pages = {174--186},
}