Optical fibres, cables and systems :  ITU-T manual  
ITU  
 - Geneva :  ITU ;  c2009  
 - xx, 293 p. :   ill. ;  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>telecommunications
<br/><br/><label>Dewey Class. No.: </label>384