1. C. E. Baum: “Interaction of Electromagnetic Fields with an Object which Has an Electromagnetic Symmetry Plane”, Interaction Note 63, March 1971
2. C. E. Baum: “On the Singularity Expansion Method for the Solution of Electromagnetic Interaction Problems”, Interaction Note 88, Dec. 1971
3. L. Marin, R. W. Latham: “Analytical Properties of the Field Scattered by a Perfectly Conducting, Finite Body”, Interaction Note 92, Jan. 1972; also
4. L. Marin, R. W. Latham: Proc. IEEE 60, 640 (1972)
5. L. Marin: IEEE Trans. Ap-2l, 809 (1973)