Delsey, Tom <br/><br/>
IFLA working group on an international authority system : a progress report / Tom Delsey 

 - Copenhague, Dinamarca :  IFLA,  1979 
 - 10 h. 
<br/><br/> IFLA General Conference 45, 1979, Copenhague  Monografía 
<br/><br/><label>Subjects--Index Terms: </label>Bibliografías Nacionales Normalización