1. Clough R. W. “Comparison of Three‐Dimensional Finite Elements ” Proceedings of the Symposium on Application of Finite Element Methods in Civil Engineering Vanderbilt University Nashville Tenn. Nov. 1969 pp. 1–26.
2. More about ‘artificial’ softening of finite elements
3. Dow J. O. and Taugbol S. E. “Highly Refined Reusable Stress Concentration Finite Elements ” AIAA Journal under review.
4. Ebner Alan M. “Guidelines for Finite Element Idealization ” presented at the ASCE National Structural Engineering Convention New Orleans La. Apr. 14–18 1975.
5. Gojo J. Kelly D. W. and Zienkiewicz “Adaptive Finite Element Schemes and A‐Posteriori Error Analysis An Evaluation of Alternatives ” New and Future Developments in Commercial Finite Element Methods I. Robinson ed. Robinson‐Ford and Assoc. 1981 pp. 512–528.