TY  - BOOK
AU  - COOMBS,CLYDE F
AU  - COOMBS,CATHERINE ANNE
TI  - COMMUNICATIONS NETWORK TEST AND MEASUREMENT HANDBOOK / 
U1  - 621.382 
PY  - 1998///
CY  - [S.N] : 
PB  - MC GRAW - HILL ، 
KW  - DIGITAL COMMUNICATIONS
KW  - DIGITAL COMMUNICATION AND BOOK
ER  -