TY  - BOOK
AU  - Langwell,W.H.
TI  - The conservation of books and documents
U1  - 025.8 
PY  - 1974///
CY  - London
PB  - Sir ISAAC Pitman
KW  - Books
KW  - Conservation and restoration
KW  - Manuscripts
KW  - Paper
KW  - Preservation
N1  - Bibliography : p. 104
ER  -