@inbook{Puur2013,
author = {Puur, A. and Sakkeus, L. and Tammaru, T. },
title= {Population},
year = {2013},
editor = {Heidmets, M. },
booktitle = {Estonian human development report 2012/2013. Estonia in the world},
address = {Tallinn},
publisher = {Eesti Koostöö Kogu},
}