00964nam a2200217Ia 4500 CTU_130136 210402s9999 xx 000 0 und d 69.59 025.84 L848 Long term preservation of digital documents : Principles and practices Uwe M Borghoff ... [et al.] Berlin Springer 2003 The book gives a brief description about several markup and document description languages like TIFF, PDF, HTML, and XML, explain the most important techniques such as migration and emulation, and present the OAIS (Open Archival Information System) Reference Model Digital preservation,Library materials,Bảo quản số hoá,Tài liệu thư viện Conservation and restoration,Bảo quản và lưu trữ Huỳnh Mai Trung tâm Học liệu Trường Đại học Cần Thơ