@book{Glocker2011,
author = {Glocker, Daniela and Steiner, Viktor},
year = {2011},
language = {eng},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Returns to education across Europe},
url = "http://dx.doi.org/10.17169/FUDOCS_document_000000011805",
}