TY  - BOOK
AU  - Winger, Howard W.
AU  - Smith, Richard Daniel.
TI  - Deterioration and preservation of library materials
T2  - University of Chicago studies in library science
U1  - 025.7 
PY  - 1970///
CY  - Chicago
PB  - University of Chicago
KW  - Libros
KW  - Conservación y restauración
ER  -