1. Approximate boundary conditions
2. Dimensional Analysis, Gordon and Breach, New York, 1987.
3. Dimensional Analysis and Theory of Models, Wiley, New York, 1951.
4. Dimensional Analysis and Scale Factors, Reinhold, New York, 1964.
5. “Theory of Models of Electromagnetic Systems,” Proc. IRE, Nov. 1948, pp. 1364–1370.