Congres international des bibliotheques et des centres de documentation:   International congress of libraries and documentation centres 
/ Brussels 11-18 September 1955 
 - La Haye:   Martinus Nijhoff,   1955 
 - 220p. 
<br/><br/> Vol. 1 Rapports preliminaires 
<br/><br/><label>Universal Decimal Class. No.: </label>D 02+002.6(082.2)  / J5