@inbook{Estee2004,
author = {Estee, S.},
title= {Natality – Measures based on vital statistics},
year = {2004},
editor = {Siegel, J.},
editor = {Swanson, D.},
booktitle = {The methods and materials of demography. 2nd edition},
address = {Amsterdam},
publisher = {Elsevier},
pages = {371--405},
}