1. Bleich F. Buckling Strength of Metal Structures McGraw‐Hill Book Co. Inc. New York N.Y. 1952.
2. Ermopoulos J. C. and Kounadis A. N. “Buckling Analysis of Simple Frames with Varying Built‐Up Sections ” Proceedings Conference on Mechanics organized by H.S.T.A.M. Athens Greece Sept. 1983.
3. Stability of Frames with Tapered Built‐Up Members
4. Ermopoulos J. C. “Elastic Stability Analysis of Plane Rectangular Frames with Varying Stiffness Members ” thesis presented to the National Technical University of Athens at Athens Greece in 1984 in partial fulfillment of the requirements for the degree of Doctor of Philosophy.