@article{Retherford2005,
author = {Retherford, R.D. and Choe, M.K. and Chen, J. and Xiru, L. and Hongyan, C.},
title= {How far has fertility in China really declined?},
year = {2005},
doi = {10.1111/j.1728-4457.2005.00052.x},
volume = {31},
number = {1},
pages = {57--84},
}