Correction to "Different Representations of Dyadic Green's Functions for a Rectangular Cavity" (Letters)

In the above paper, I noticed two small errors. The first one is the lack of the tilde over term /spl nabla/ x G/spl ovbar//sub e/(R/spl ovbar/'/R/spl ovbar/) in the surface integral of (20) (P. 599). The second one is the lack of the prime over l /sub 0/ in the expression for B/sub 2/ in the left column, fifth line from the bottom on p. 601.