Document reproduction services: their efficient organization and management - Donker Duyvis, Frits, 1894-; Schippers, M. E. (Paris : UNESCO, 1961)
"Reprinted from Unesco bulletin for libraries, vol. XIV, no. 6, November-December 1960 (Item 398)"
Includes bibliographical references
Keywords: Reproduction of money, documents, etc; Photomechanical processes