TY  - BOOK
AU  - Donker Duyvis, Frits
AU  - Schippers, M. E.
TI  - DOCUMENT REPRODUCTION SERVICES
U1  - 025.129 
PY  - 1961///
CY  - Paris
PB  - Unesco
KW  - Reproduction Of Money, Documents, Etc
KW  - Photomechanical Processes
N1  - Reprinted From Unesco Bulletin For Libraries, Vol. Xiv, No. 6, November-December 1960 (Item 398)
ER  -