1. Consistent mass Matrix for Distributed Mass Systems
2. Eisenberger M. “Constraints for Axial Strains in Plane Frames ” thesis presented to Stanford University at Stanford Calif. in Aug. 1979 in partial fulfillment of the requirements for the degree of Civil Engineer.
3. Eisenberger M. “Static and Dynamic Analysis of Plane and Space Frames with Axial Constraints ” Technical Report 48 J. A. Blume Earthquake Engineering Center Stanford Calif. Oct. 1980.
4. Gallagher R. H. Finite Element Analysis Fundamentals Prentice‐Hall Inc. Englewood Cliffs N.J. 1975.
5. Gere J. M. and Weaver W. Jr. Matrix Algebra for Engineers Van Nostrand New York N.Y. 1967.