@article{Chen2011,
author = {Chen, F. and Liu, G. and Mair, C.A.},
title= {Intergenerational ties in context: Grandparents caring for grandchildren in China},
year = {2011},
doi = {10.1093/sf/sor012},
journal = {Social Forces},
volume = {90},
number = {2},
pages = {571--594},
}