TY  - BOOK
AU  - Langwell, W H.
TI  - Conservation of books and documents
U1  - 025.84 
PY  - 2000///
CY  - London
PB  - Sir Issac Pitman
KW  - Library science
KW  - Information science
KW  - Library operations
KW  - Preservation
KW  - Books conservation
KW  - Documents conservation
ER  -