1. 1) Hickman, W. A. and Dow, N. F.: Data on the Compressive Strength of 75S-T6 Aluminum-Alloy Flat Panels with Longitudinal Extruded Z-Section Stiffeners, NACA TN-1829, 1949.
2. 2) Hickman, W. A. and Dow, N. F.: Data on the Compressive Strength of 75S-T6 Aluminum-Alloy Flat Panels Having Small, Thin, Widely Spaced, Longitudinal Extruded Z-Section Stiffeners, NACA TN-1978, 1949.
3. 3) Semonian, J. W. and Peterson, J. P.: An Analysis of the Stability and Ultimate Compressive Strength of Short Sheet-Stringer Panels with Special Reference to the Influence of Riveted Connection between Sheet and Stringer, NACA TN-3431, 1955.
4. 4) Schuette, E. H.: Charts for the Minimum-Weight Design of 24S-T Aluminum-Alloy Flat Compression Panels with Longitudinal Z-section Stiffeners, NACA ARR No. L5F15, 1945.
5. 5) Hickman, W. A. and Dow, N.: Direct-Reading Design Charts for 75S-T6 Aluminum-Alloy Flat Compression Panels Having Longitudinal Extruded Z-section Stiffeners, NACA TN-2435, 1952.