@book{Klesment2010b,
author = "Klesment, M.",
title = "Fertility development in Estonia during the second half of the XX century: the economic context and its implications",
year = 2010,
publisher = "Estonian Institute for Population Studies, Tallinn University",
pages = "447",
url = "http://e-ait.tlulib.ee/46/1/klesment_martin1.pdf"
}