Sylvestre, Guy <br/><br/>
Guidelines for national libraries / prepared by Guy Sylvestre 

 - Paris :  UNESCO, General Information Programme and UNISIST,  1987 
 - 102 p 
<br/><br/> "PGI/WS/17"  Monografía 
<br/><br/><label>Subjects--Corporate Names: </label><br/>UNESCO. Programa General de Información y UNISIST
<br/><br/><label>Subjects--Index Terms: </label>Bibliotecas Nacionales 
<br/><br/><label>LC Class. No.: </label>Z675/N2S95