TY  - JOUR 
T1  - Channel characteristics in tunnels: FDTD simulations and measurement
JO  - Journal of Microwaves, Optoelectronics and Electromagnetic Applications
A1  - Ramirez, L.A.R.
A1  - Hasselmann, F.J.V.
A1  - Zhang, Y.P.
SN  - 2179-1074
UL  - 10.1590/S2179-10742011000100013
VL  - 10 
Y1  - 2011
PB  - Brasil 
ER  -