@article{Brouard1986,
author = {Brouard, N.},
title= {Structure et dynamique des populations. La pyramide des annèes à vivre, aspects nationaux et exemples règionaux [Population structure and dynamics. The later life pyramid, national aspects and regional examples]},
year = {1986},
journal = {Espaces, Populations, Sociètès},
volume = {2},
pages = {157--168},
}