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1Almmustuhtton 1996Fáttát “...Technology History Congresses....”
Girji -
2Almmustuhtton 1979Fáttát “...Technology History Congresses....”
Girji -
3Almmustuhtton 1997Fáttát “...Technology History Congresses....”
Girji -
4Almmustuhtton 1963FáttátKonfereansapublikašuvdna Girji
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5Almmustuhtton 2010Fáttát “...Information technology History Congresses....”
Konfereansapublikašuvdna Girji -
6