TY  - BOOK
AU  - Pecar,Joseph A.
AU  - Garbin,David A.
AU  - O'Connor,Roger J.
TI  - The McGraw-Hill telecommunications factbook / 
SN  - 0070491836   
PY  - 1993///
CY  - New York
PB  - McGraw-Hill, 
KW  - Telecommunication
N1  - Includes bibliography and index
ER  -