1. A Mathematical Programming Method for Design of Elastic Bodies in Contact
2. and , ‘Analysis of unbonded contact problems through application of an optimization technique’, Developments in Mechanics, 6, University of Notre Dame Press, Notre Dame, Indiana, 1971.
3. Analysis of unbonded contact problems by means of quadratic programming
4. and , ‘A note on numerical computation of elastic contact problems’, 9, 913-924 (1975).
5. and , ‘Optimization of surface contours for elastic bodies in contact’, Technical Report No. 17, Division of Materials Engineering, College of Engineering, the University of Iowa, Iowa City, Iowa (1975).