@article{Coale1957,
author = {Coale, A.J.},
title= {How the age distribution of a human population is determined},
year = {1957},
doi = {10.1101/SQB.1957.022.01.010},
URL = {http://dx.doi.org/10.1101/SQB.1957.022.01.010},
volume = {22},
number = {0},
pages = {83--89},
}