Vanwijngaerden, Frans <br/><br/>
Handbook on the international exchange of publications / 
edit. by Frans Vanwijngaerden. 
 - 4a ed. 
 - París :  UNESCO,  1978. 
 - 165 p. 
 - Documentation, libraries and archives : bibliograhies and r- .
<br/><br/><label>ISBN: </label>9231014668 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>OC 021.85 (100) =20 "1978" VAN No.4.