@article{Grigsby1989,
author = {Grigsby, J.S. and Olshansky, S. J.},
title= {The demographic components of population aging in China},
year = {1989},
doi = {10.1007/BF00120576},
URL = {http://dx.doi.org/10.1007/BF00120576},
volume = {4},
number = {4},
pages = {307--334},
}