author = { Mannheim Research Institute for the Economics of Aging },

title = { MEA discussion papers },

publisher = {[Verlag nicht ermittelbar]},

keywords = { Arbeitspapier , Graue Literatur , Monografische Reihe },

year = {2002-2011},

address = { Mannheim },

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