1. Dynamic analysis by direct superposition of Ritz vectors;Wilson;Earthquake Eng. Struct. Dyn.,1982
2. The Symmetric Eigenvalue Problem;Parlett,1980
3. Dynamic analysis of structures using Lanczos co-ordinates;Nour-Omid;Earthquake Eng. Struct. Dyn.,1984
4. Block Lanczos method for dynamic analysis of structures;Nour-Omid;Earthquake Eng. Struct. Dyn.,1985
5. P. Leger, E.L. Wilson, R.W. Clough, The use of load dependent vectors for dynamic and earthquake analyses, Earthquake Engineering Research Center Report, University of California, Berkeley, UCB/EERC-86/04, 1986.