@book{Eisend2004,
author = {Eisend, Martin},
year = {2004},
isbn = {3-935058-77-2},
language = {ger},
copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen},
title = {Metaanalyse},
url = "http://dx.doi.org/10.17169/FUDOCS_document_000000000422",
}