TY  - BOOK
AU  - Goralski, Walter 
TI  - Optical networking and WDM 
SN  - 0-07-047239-4 
U1  - 621.382 7 GOR  
PY  - 2001///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - OPTICAL COMMUNICATION
ER  -