1. Solution of problems of elasticity by framework method;Hrennikoff;J. Appl. Mech.,1941
2. Energy Theorems and Structural Analysis;Argyris,1960
3. Recent advances in matrix methods of structural analysis;Argyris,1964
4. Derivation of a stiffness matrix for a right triangular plate in bending and subject to initial stress;Lunder,1961