TY  - BOOK
AU  - Agrawal,O P
AU  - Mandana Barkeshly
TI  - Conservation of books ,manuscripts and paper documents
U1  - 025.84 
PY  - 1997///
CY  - Lucknow
PB  - INTACH
KW  - biological ,physical and chemical deterioration
KW  - Writing materials
ER  -