Contents
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Requires Authentication UnlicensedSonstigesLicensedOctober 21, 2009
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Requires Authentication UnlicensedTiteleiLicensedOctober 21, 2009
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Requires Authentication UnlicensedEvaluation of Some Impregnating Agents for Use in Paper ConservationLicensedOctober 21, 2009
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Requires Authentication UnlicensedNational Archives Advisory Committee on Preservation. Science Advice to the Archivist of the United StatesLicensedOctober 21, 2009
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Requires Authentication UnlicensedMethylcellulose as an Impregnating Agent for Use in Paper ConservationLicensedOctober 21, 2009