The author describes the history and the application of 'Drachenfelstrachiet' in buildings in towns along the river IJssel in the Netherlands.

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Grondboor & Hamer

CC BY 3.0 NL ("Naamsvermelding")

Nederlandse Geologische Vereniging

E.A. van Spronsen. (1979). Bouwfragmenten van Drachenfelstrachiet in de steden langs de IJssel. Grondboor & Hamer, 33(5), 146–162.