1. Shakedown and ratchetting below the creep range, Report EUR 8702 EN, Commission of the European Communities, Directorate General for Science, Research and Development, Brussels, 1985.
2. and , The computation of shakedown limits for structural components Part II—the creep range, Report EUR 15682 EN, Commission of the European Communities, Directorate General for Sciences, Research and Development, Brussels, 1994 (ISBN 92-826-8179-3).
3. and , The computation of shakedown limits for structural components subjected to variable thermal loading, Report EUR 1286 EN, Commission of the European Communities, Directorate General for Science, Research and Development, Brussels, 1990 (ISBN 92-826-1340-2).
4. ‘A more fundamental approach to plastic stress-strain relations’, 1st US Cong. of Applied Mechanics, ASME, New York, 1952, pp. 487-491.