TY  - BOOK
AU  - Kahn, Miriam B.
TI  - Protecting your library's digital sources: the essential guide to planning & preservation 
SN  - 9788170005926
U1  - 025.84 
PY  - 2010///
CY  - New Delhi
PB  - Ess Ess Publications
KW  - Preservation
ER  -