1. Williams, S.B., “The Dyadic Gage,”Proc. SESA,I (2),43–55 (1944).
2. Williams, S.B., “Strain-Responsive (Stress) Gage,“ U.S. Patent No. 2,592,223 (April 8, 1952).
3. Kern, R.E., “The Stress Gage,”Proc. SESA,IV (1),124–129 (1946).
4. Kern, R.E. andWilliams, S.B., “Stress Measurement by Electrical Means,”Elec. Eng. (Trans. Section),65 (3),100–107 (March1946).
5. Lissner, H.R. andPerry, C.C., “Conventional Wire Strain Gage Used as a Principal Stress Gage,”Proc. SESA,XIII (1),25–32 (1955).