author = { Népességtudományi Kutatóintézet Budapest AND Ungarn Központi Statisztikai Hivatal },

title = { Working papers on population, family and welfare },

publisher = {Demographic Research Institute},

isbn = {1588-3396},

keywords = { Monografische Reihe },

year = {20XX-},

address = { Budapest },

url = { http://slubdd.de/katalog?TN_libero_mab2 }