The solution of waveguide eigenvalues with arbitrary shapes by FD-FD algorithm in curvilinear coordinates.

Zhao, L. and Carter, R. G. (1992) The solution of waveguide eigenvalues with arbitrary shapes by FD-FD algorithm in curvilinear coordinates. In: 22nd European microwave conference : conference proceedings, Monday 24th to Thursday 27th August 1992, Helsinki University of Technology, Espoo, Finland. Microwave Exhibitions and Publishers, Tunbridge Wells. ISBN 0946821771