1. Stowell, E. Z., and Schwartz, E. B., Critical Stress for an Infinitely Long Flat Plate with Elastically Restrained Edges Under Combined Shear and Direct Stress, N.A.C.A. Wartime Report L-340, November, 1943.
2. Batdorf, S. B., Stein, M., and Libove, C , Critical Combinations of Longitudinal and Transverse Direct Stress for an Infinitely Long Flat Plate with Edges Elastically Restrained Against Rotation, N.A.C.A. Wartime Report L-49, March, 1946.