TY  - JOUR 
T1  - 
       
JO  - Journal of Microwaves, Optoelectronics and Electromagnetic Applications
A1  - Holik, Sonia M.
A1  - Drysdale, Timothy D.
SN  - 2179-1074
UL  - 10.1590/S2179-10742011000200004
VL  - 10 
Y1  - 2011
PB  - Brasil 
ER  -