Wersig Gernot <br/><br/>
Terminology of documentation. 

 - Paris  Unesco Press        1975 
 - 274p.  cm. 
<br/><br/><label>Standard No.: </label>120571 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>2:97:(P:5), L5