TY  - BOOK
AU  - Chambers, Harry T.
TI  - Copying, duplication and microfilm: systems and equipment for use in business and administration 
SN  - 0220992169
AV  - Z48 .C47
U1  - 652.4 
PY  - 1970///]
CY  - London
PB  - Business Books
KW  - Copying processes
ER  -