Enquête de l'Unesco sur l'emploi du microfilm, 1951 = Unesco survey of microfilm use, 1951
Publisher: Unesco
Published: 1952
Place of publication: Paris]
Language: fre; eng
Number of pages: 43
Subjects: Microphotography
Other titles: Unesco survey of microfilm use, 1951.
Notes: "Reprint from Unesco bulletin for libraries, vol. VI, no. 2/3, February/March 1952, and no. 5/6, May-June 1952."