The Universal Decimal Classification : present position and future developments - Kyle, Barbara Ruth Fuessli; Vickery, B. C. (Brian Campbell); Unesco (Paris : UNESCO, 1961)
"Reprinted from the 'Unesco bulletin for libraries', vol.15, no.2, March-April 1961 (items 96 and 181)".
Includes bibliographical references.
Keywords: Classification, Universal decimal