Media type: E-Book Title: Das Externstein-System Contributor: Piontzik, Klaus [Author]; Buike, Bruno [Editor] Published: Neuss: Buike Science And Classical Music, 2022 Issue: 1.Aufl Extent: 1 Online-Ressource Language: German DOI: 10.17613/d30s-qg24 Identifier: Origination: Footnote: Erscheinungsjahr der gedruckten Ausgabe des Digitalisats: 2022 Access State: Open Access