Guide to the use of UDC : an introductory guide to the use and application of the universal decimal classification / by I.C. McIlwaine ; with participation by A. Buxton. McIlwaine, Ia. Buxton, A. Classification, Universal decimal Handbooks, manuals, etc. 025.432 MCG The Hague, Netherlands : International Federation for Information and Documentation, 1995. 1995. 1995 Text 124 p. ; eng FID occasional paper ; 5 FID publication ; 703