@article{Preston1982,
author = {Preston, S.H. and Coale, AJ.},
title= {Age structure, growth, attrition, and accession: A new synthesis},
year = {1982},
doi = {10.2307/2735961},
URL = {http://dx.doi.org/10.2307/2735961},
volume = {48},
number = {2},
pages = {217--259},
}