TY  - BOOK
AU  - Donker Duyvis,Frits
AU  - Schippers,M.E.
TI  - Document reproduction services: their efficient organization and management,
AV  - TR925 .D6 1961
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)"; Bibliography: p. 22-23
ER  -