TY - BOOK AU - Gladney Henry M TI - Preserving digital information SN - 978-3-540-37886-0 U1 - 025.840285 PY - 2007/// CY - Berlin PB - Springer-Verlag KW - Digital libraries-planning KW - Digital preservation KW - Documents in optical storage KW - Electronic records KW - Image processing-digital techniques KW - Information storage and retrieval systems ER -