TY  - BOOK
AU  - Blake,Roy
TI  - Electronic communication systems
SN  - 9812406115
U1  - 621.382 21
PY  - 2002/// [second reprint 2005]
CY  - Albany, N.Y., Singapur
PB  - Delmar/Thomson Learning
KW  - Telecommunication
N1  - Includes index
ER  -