@inbook{Kohler2006,
author = {Kohler, H.-P. and Billari, F.C. and Ortega, J.A.},
title= {Low Fertility in Europe: Causes, Implications and Policy Options},
year = {2006},
editor = {Harris, F.R.},
booktitle = {The Baby Bust: Who will do the Work? Who Will Pay the Taxes?},
address = {Lanham, MD},
publisher = {Rowman & Littlefield Publishers},
pages = {48--109},
}