TY - BOOK AU - Harvey, D. R. TI - Preserving digital materials SN - 9783110253689 (acidfree paper) U1 - 025.8/4 23 PY - 2012/// CY - Berlin, Boston PB - De Gruyter Saur KW - Digital preservation N1 - Includes bibliographical references (p. [222]-240) and index ER -