TY  - BOOK
AU  - Balloffet, Nelly
AU  - Hille, Jenny
TI  - Preservation and conservation for libraries and archives
SN  - 9788170005728
U1  - 025.84 
PY  - 2009///
CY  - New Delhi
PB  - Ess Ess
KW  - Library and information science
ER  -