Opitical fobres, cables and systems :  ITU-T Mnual / 
ITU 
 - Geneva :  ITU ;  c2009. 
 - xx, 293 p. :  ill. ;  38 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication 
<br/><br/><label>Dewey Class. No.: </label>384