{"id":"001066844","type":"book","title":"Past to present","publisher":"Aarhus University Press","publisher-place":"Aarhus","pages":"71-76","container-title":"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","author":[{"family":"Schrüfer-Kolb","given":"Irene."}],"issued":{"raw":"2003"}}