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| 100 | _aBonnier Corporation/ Hearst Communications | ||
| 245 | _aPopular Science | ||
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_aU. S. _bBonnier Corporation/ Hearst Communications _c1872, May |
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| 500 | _aInternational | ||
| 650 | _aScience and Technology | ||
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_cSER _s1 |
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