A Simple Approximation Formula for Numerical Dispersion Error in 2-D and 3-D FDTD Method
IEICE Transactions on Electronics (2016) - Comments
doi: 10.1587/transele.e99.c.793  issn: 0916-8524  issn: 1745-1353 

Jun SONODA, Keimei KAINO, Motoyuki SATO