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An evaluation of the bookkeeper mass deacidification process: technical evaluation team report for the Preservation Directorate, Library of Congress
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Appendice A: Effect on aging time on properties of treated and untreated papers, project 3875. Appendix B: Report of the environmental protection agency. Appendix C: Description of the twenty-five additional test books. Appendix D: Summary of the tests performed. Appendix E: Report of preservation technologies, Inc.
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Washington, D.C.: Library of Congress, 1994
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