Altena in Westphalia : From bloomery to osemund - difficulties in distinguishing slags.

von Beier, Thomas
Veröffentlicht in Prehistoric and medieval direct iron smelting in Scandinavia and Europe. Aspect of technology and science. Proceedings of the Sandbjerg Conference 16th to 20th september 1999.
Aarhus : Aarhus University Press, 2003.
Umfang/Format: 177-182.