Preserving archives / Helen Forde, Jonathan Rhys-Lewis Forde, Helen Rhys-Lewis, Jonathan jt. aut. Archival materials Conservation and restoration 025.84 FOP Bibliography: p. 249-256 Includes bibliographical references and index London : Facet, 2013 2013 2013 Text xv, 272 p. : eng Principles and practice in records management and archives