TY  - BOOK
AU  - Borghoff, U.M.
AU  - ...[et.al.]
TI  - Long-term preservation of digital documents:principles  and practices
SN  - 9783540336396
U1  - 026.07:005.92 
PY  - 2003///
CY  - Heidelberg
PB  - Springer
KW  - Digital preservation
KW  - Archivalmaterials-preservaion
ER  -