TY  - BOOK
AU  - Shepard, Steven
AU  - Shepard, Steven
TI  - Telecom crash course
SN  - 71382135
AV  - 621.382 SHE 2002 
U1  - 621.382 SHE 2002 
PY  - 2002///
CY  - New york
PB  - McGraw-Hill
KW  - Communication Engineering
ER  -