@misc{Reif1992,
author = {Reif, K. and Melich, A.},
title= {Eurobarometer 37.2: Elderly Europeans. April-May 1992. 2nd ZA ed},
year = {1992},
URL = {http://www.za.uni-koeln.de/data/en/eurobarometer/codebooks/s2242cdb.pdf},
publisher = {Zentralarchiv für Empirische Sozialforschung (producer and distributor)},
address = {Köln},
}