1. Theory of Matrix Structural Analysis;Prezemieniecki,1968
2. T. Finite Element Method;Zienkiewcz,1977
3. Introduction to the Finite Element Method;DeSai,1972
4. Concepts and Applications of Finite Element Analysis;Cook,1974
5. McDonnell Douglas Automation Company, SELOS (Sea Environment Loading on Offshore Structures) User's Manual, Saint Louis, Missouri.