@article{Chesnais1990,
author = {Chesnais, J.C.},
title= {Demographic transition patterns and their impact on the age structure},
year = {1990},
doi = {10.2307/1971593},
URL = {http://dx.doi.org/10.2307/1971593},
volume = {16},
number = {2},
pages = {327--336},
}