@techreport{Merz2009,
author = {Merz, E.M.  and Liefbroer, A. },
title= {Report on analysis of ESS data on cross-national differences in perceived norms concerning fertility-related behaviour},
year = {2009},
publisher = {Vienna Institute of Demography },
address = {Vienna},
number = {REPRO Deliverable 6},
}