1. B. O. Almroth, F. A. Brogan and F. Zele, Stress analysis of general shells. User's Manual for STAGS (In preparation at Lockheed Missiles & Space Company, LMSC-D32008).
2. Instability analysis of Skylab shrouds;Skogh;Lockheed Missiles & Space Company Report LMSC-D246555,1972
3. Analysis of ring-stiffened shells of revolution under combined thermal and mechanical loading;Bushnell;AIAA J.,1971
4. The effect of axisymmetric imperfections on the buckling of cylindrical shells under axial compression;Koiter,1963