1. Kraus, J. D., “Antennas”, 485 (McGraw-Hill Book Co., Inc., New York and London, 1950).
2. Nash, R. T., master's thesis, Ohio State University (1955).
3. Kraus, J. D., and Nash, R. T., Ohio State University Radio Observatory Report No. 5 (1955).
4. Kraus, J. D., Ko, H. C., Nash, R. T., and Stoutenberg, D. V., Astro. J., 61, 182 (1956).