1. GROSS, B., SRAWLEY, J. E and BROWN, W. F., Jr., “Stress factors for a single-edge-notch tension specimen by boundary collocation of a stress function” NASA TN D-2395, 1964.
2. GROSS, B. and SRAWLEY, J. E., “Stress-intensity factors for single-edge-notch specimens in bending or combined bending and tension by boundary collocation of a stress function: NASA TN D-2603, 1965.
3. GROSS, B. and SRAWLEY, “Stress-intensity factors for three-point-bend specimens by boundary collocation” NASA TN D-3092, 1965.
4. WILSON, W. K., CLARK, W. G. and WESSEL, E. T., “Fracture mechanics technology for combined loading of low to intermediate strength metals” AD-682754, 1968.
5. WILSON, W. K., “Numerical method for determining stress intensity factors of an interior crack in a finite plate” Trans. ASME Series D, 93, 1971, 685.