International standarization of library and documentation techniques 

 - Paris :  UNESCO,  1972 
 - 241 p. 
<br/><br/><label>LCCN: </label>45881 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cooperación entre bibliotecas.<br/>Documentación.
<br/><br/><label>Dewey Class. No.: </label>021.64  / U5