TY  - BOOK
AU  - Pecar , Joseph . A ,Garbin , David . A
TI  - Telecom factbook ,a readable guide to planning and acquiring products and services
SN  - 0-07-135163-9
U1  - 621.382 PEC 
PY  - 2000///
CY  - NEW YORK
PB  - MCGRAW HILL
KW  - TELECOMMUNICATIONS PRODUCTS AND SERVICES
ER  -