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[Heidelberg]: [Brausdr.], 1969
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Washington, DC, 1956 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2008
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Washington, DC, 1939 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2008
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Springer Science and Business Media LLC, 1983
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Elsevier BV, 1980
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American Association for the Advancement of Science (AAAS), 1972
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American Association for the Advancement of Science (AAAS), 1972
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American Association for the Advancement of Science (AAAS), 1968
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American Association for the Advancement of Science, 1968
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American Association for the Advancement of Science (AAAS), 1970
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American Association for the Advancement of Science (AAAS), 1970
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American Association for the Advancement of Science (AAAS), 1969
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American Association for the Advancement of Science (AAAS), 1969
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Informa UK Limited, 1969
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American Association for the Advancement of Science, 1969
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American Association for the Advancement of Science (AAAS), 1969
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American Association for the Advancement of Science (AAAS), 1969
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American Association for the Advancement of Science (AAAS), 1969
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American Association for the Advancement of Science, 1969