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1
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2
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6av Forbes, R. J. (Robert James), 1900-Ämnen “...Technology and civilization....”
Publicerad 1971
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7av Walker, Charles R. (Charles Rumford), 1893-Ämnen “...Technology and civilization....”
Publicerad 1968
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8av Walker, Charles R. (Charles Rumford), 1893-Ämnen “...Technology and civilization....”
Publicerad 1962
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10Publicerad 1972Ämnen “...Technology and civilization Congresses....”
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11
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12
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15Publicerad 1973ÄmnenBok
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