TY  - BOOK
AU  - Lewis, Geoff
AU  - Lewis, Geoff
TI  - Communications technology handbook
SN  - 9780240514611
AV  - 621.382 LEW 2000 
U1  - 621.382 LEW 2000 
PY  - 2000///
CY  - Oxford
PB  - FocalPress
KW  - Communication Engineering
ER  -