1. Zoelly R. Über ein Knickungs problem an der Kugelschale. Thesis, Zürich, 1915.
2. An overview of Buckling and ultimate strength of spherical pressure hull under external pressure;Pan;Marine Structures,2010
3. A comparison of different rules for the spherical pressure hull of manned submersible;Pan;Journal of Ship Mechanics,2011
4. Further study on the ultimate strength analysis of spherical pressure hulls[J];Pan;Marine Structures,2010
5. Research on pressure hull for deep submergence research vehicle made of titanium alloy;Yokota,1986-1987