@article{Albers2009,
author = {Albers, Christoph},
year = {2009},
language = {ger},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {If you have an apple ...},
url = "http://dx.doi.org/10.17169/FUDOCS_document_000000000697",
}