TY  - BOOK
AU  - Freeman, Roger L. 
TI  - Radio system design for telecommunications 
SN  - 9780471757139
AV  - TK6553 .F7254 2007
CY  - New York 
PB  - IEEE ; Hoboken, N.J. , Wiley-Interscience, c
KW  - Radio relay systems
KW  - Design and construction
ER  -