References
- Stevenson , A. F. 1948 . Theory of slots in rectangular wave-guides . J. Appl. Phys. , 19 : 24 – 38 .
- Mahon , J. P. “ Derivation of the rectangular waveguide dyadic Green's function for magnetic current ” . 90024 LA , CA : Department of Electrical Engineering, UCLA . Report No. JM-2