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gisela ruth engewald
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Georgius Agricola
Gisela-Ruth Engewald · B.G. Teubner
150 sayfa · 1982
Biography / Mining engineers / Scientists / Engineers, biography / Scientists, biography
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Yazar
1 cilt bulundu.
Gisela-Ruth Engewald · B.G. Teubner
150 sayfa · 1982
Biography / Mining engineers / Scientists / Engineers, biography / Scientists, biography