1. Automatic generation of finite element matrices;Luft;J. Structural Div., A.S.C.E.,1971
2. Element stiffness matrix generator;Gunderson;J. of Structural Div. A.S.C.E.,1071
3. Structural Analysis by the Displacement Method;Taig,1961
4. A Computerized Symbolic Integration Technique for Development of Triangular and Quadrilateral Composite Shallow-Shell Finite Elements;Anderson;NASA TN-8067,1975
5. A Computer Program for Anisotropic Shallow-Shell Finite Elements Using Symbolic Integration;Anderson;NASA TM V-3325,1976