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National Science Foundation / National Science Board - Washington, DC : US Gov.Print.Off. - 1.1972(1973) - 6.1982(1983); 7.1985

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National Science Foundation / National Science Board - Washington, DC : US Gov.Print.Off. - [1.]1969; 2.1970 -

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Washington, DC : NSF - Nachgewiesen 1977 - 1992

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American Association for the Advancement of Science - Washington, DC : AAAS, American Assoc. for the …; … - 1.1883 - 23.1894; N.S. 1.1895 -

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Washington, DC : US Gov.Print.Off. - Nachgewiesen 1982(1984) -

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Washington, DC - Nachgewiesen 1982(1983) -

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National Science Foundation / National Science Board - Washington, DC : US Gov.Print.Off. - 8.1987 -

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National Science Foundation / Division of Science … - Arlington, Virg. - 1997 -

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American Association for the Advancement of Science - Washington, DC

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National Science Foundation / National Science Board - Washington, DC - 2000 -

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