@article{Baochang2007,
author = {Baochang, G. and Feng, W. and Zhigang, G. and Erli, Z.},
title= {China’s local and national fertility policies at the end of the twentieth century},
year = {2007},
doi = {10.1111/j.1728-4457.2007.00161.x},
volume = {33},
number = {1},
pages = {129--148},
}