TY  - ADVS
ED  - British Telecom.
TI  - The physics of optical communication
SN  - No ISBN
U1  - 535.3 
PY  - 1985///
CY  - [London]
PB  - Education Service, British Telecom
KW  - Optical communications
N1  - Accompanied by : The physics of optical communication : student's notes / [written by NS Educational Consultants] (15p. ; 21 cm.) [1985] . No ISBN; Accompanied by : The physics of optical communication : teacher's notes / [written by : NS Educational Consultants] (11p. ; 21 cm.) [1985] . No ISBN
ER  -