TY  - BOOK
AU  - Selvarajan, A Kar, Subrat and Srinivas, T 
TI  - Optical fibre communication: principles and systems 
SN  - 0-07-044556-7 
U1  - 621.382 7 SEL  
PY  - 2003///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - OPTICAL COMMUNICATION
ER  -