@book{Bönke2016,
author = {Bönke, Timm and Kemptner, Daniel and Lüthen, Holger},
year = {2016},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Effectiveness of early retirement disincentives},
url = "http://dx.doi.org/10.17169/refubium-23324",
}