1. Proceedings of IUTAM Symposium of Dynamics of Rotors,1975
2. Proceedings of Conference on Vibrations in Rotating Machinery,1976
3. Texas A&M University Workshop on rotordynamic instability problems in high performance turbomachinery,1980
4. Proceedings of Conference on Vibrations in Rotating Machinery,1980
5. Texas A&M University Workshop, on rotordynamic instability problems in high performance turbomachinery,1982