@article{Guo2012,
author = {Guo, Z. and Wu, Z. and Schimmele, C.M. and Li, S.},
title= {The effect of urbanization on China’s fertility},
year = {2012},
doi = {10.1007/s11113-012-9230-0},
volume = {31},
number = {3},
pages = {417--434},
}