@techreport{Őri2011,
author = {Őri, P. and Pakot, L.},
title= {Census and census-like material preserved in the archives of Hungary, Slovakia and Transylvania (Romania), 18–19th centuries},
year = {2011},
publisher = {Max Planck Institute for Demographic Research},
address = {Rostock},
institution = {MPIDR Working Papers. WP2011-020},
}