Photos, E. (1989). „The Question of Meteoritic versus Smelted Nickel-Rich Iron: Archaeological Evidence and Experimental Results”. World Archaeology20 (3): 403–421. DOI:10.1080/00438243.1989.9980081. JSTOR124562.
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jstor.org
Photos, E. (1989). „The Question of Meteoritic versus Smelted Nickel-Rich Iron: Archaeological Evidence and Experimental Results”. World Archaeology20 (3): 403–421. DOI:10.1080/00438243.1989.9980081. JSTOR124562.