UNESCO. <br/><br/>
Handbook on the international exchange of publications. 

 - Paris  Unesco  1956 
 - 507p. 28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Excahnges, Literary and scientific - Handbooks, manuals, etc.
<br/><br/><label>Dewey Class. No.: </label>011.52  / H24H20