TY  - BOOK
AU  - leon-Garcia,Alberto .
AU  - Widjaja,Indra  .
TI  - Communication networks: Fundamental concepts and key architectures / 
U1  - 004.6 
PY  - 2000///
CY  - New Delhi : 
PB  - Tata Mc Graw Hill Publishing Company , 
KW  - Communication network
ER  -