@techreport{Kreyenfeld2013b,
author = {Kreyenfeld, M. and Walke, R. and Salzburger, V. and Lenke, R. and Hensel, T. and Mir Mousavi, B.},
title= {DemoDiff supplement to the pairfam data manual (Release 3.0)},
year = {2013b},
publisher = {Max Planck Institute for Demographic Research},
address = {Rostock},
}