TY  - BOOK
AU  - Balloffet, Nelly  .
TI  - Preservation and conservation for libraries and archives / 
SN  - 978-81-7000-572-8
U1  - 2OaV:8 
PY  - 2009///
CY  - Delhi : 
PB  - Ess Ess Publications , 
KW  - Preservation and conservation- Libraries
ER  -