Cockx, A. <br/><br/>
Telecode and telex address book :   telecode in 10 lenguages and internatonal telex address book for libraries and documentation centres 

 - London :   Unesco,IFLA,   1966. 
 - 191 p. 
 - Manuels internationaux nø 1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>TELECOMUNICACIONES<br/>TELETIPOS<br/>BIBLIOTECAS
<br/><br/><label>Universal Decimal Class. No.: </label>654.145