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_aRich, Vera _9269879 |
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_aCan the Academies of Sciences break free? _c Vera Rich, Gert Wangermann |
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_aCiencia _915905 |
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_aWangermann, Gert _9270025 |
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_tInvestigacion y Ciencia (Traducción de: Scientific American) _gnº. 171, 1990, págs. 22 _wRev1650 |
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