Universal decimal classification / 
prepared by the B.S.I. under the auspices of the International Federation for Documentation (F.I.D.) and with the concurrence of the Lake Placid Club Education Foundation, New York. 
 - Abridged English ed., 3rd ed., rev. 
 - London:   British Standards Institution,   1961.  
 - 254 p. ;  28 cm. 
 -  289 .
<br/><br/>Includes index (p. 147-253). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Universal decimal classification<br/>Universal decimal classification
<br/><br/><label>Dewey Class. No.: </label>025.432