TY  - RPRT
TI  - User's manual for three dimensional FDTD version A code for scattering from frequency-independent dielectric materials
AU  - Beggs, John H.
AU  - Luebbers, Raymond J.
AU  - Kunz, Karl S.
PY  - 1991
UR  - https://ntrs.nasa.gov/citations/19920010495
ID  - 19920010495
ER  -