@book { DieUmsetzungdesGemeinsamenIntegrativenUnterrichtsanThringerGrundschulen, title = "Die Umsetzung des Gemeinsamen / Integrativen Unterrichts an Thüringer Grundschulen", author = "Andrea {Heidelberger}", year = "2015", publisher = "BACHELOR + MASTER PUBLISHING", address = "Hamburg, Deutschland", url = "https://m.bachelor-master-publishing.de/document/298058" }