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Spectrum, volume 04, number 19 (1977)277

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SpectrumV4No19.pdf1

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United States124
South Korea54
China7
Germany6
Ukraine2
Brazil1
Canada1
Ireland1
Japan1
Sweden1

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Seoul48
Columbia32
Washington32
Sunnyvale24
Evansville2
Gunzenhausen2
Kiez2
Nürnberg2
Reston2
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