TY  - BOOK
AU  - Donker Duyvis,Frits
TI  - Document reproduction services: : their efficient organization and management
AV  - PAM TR925.D6 
PY  - 1961///
CY  - Paris
PB  - UNESCO
KW  - Reproductive of money, documents, etc
KW  - Photomechanical processes
ER  -