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| 100 | _aScience And Invention Vol 20 | ||
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_aScience And Invention Vol 20 _cby Science And Invention Vol 20 |
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| 260 |
_aAmerica _bH.S.Stuttman Inc. _c1987 |
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| 300 | _a2788p. | ||
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_c13799 _d13799 |
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