TY  - GEN
AU  - DENNIS RODDY
AU  - JOHN COOLEN
TI  - ELECTRONIC COMMUNICATIONS 
SN  - 9788177585582
U1  - 621.382/ROD/ELE 
PB  - PEARSON
KW  - 600 Technology
KW  - 620 Engineering
KW  - 621 Applied physics
KW  - TECHNOLOGY
ER  -