@book { DieHgelgrberKulturinsterreich, title = "Die Hügelgräber-Kultur in Österreich", author = "Ernst {Probst}", year = "2011", publisher = "GRIN Verlag", address = "München, Germany", doi = "10.3239/9783656085690", url = "https://www.hausarbeiten.de/document/183937" }