- International Federation for the Theory of Machines and Mechanisms (2)
- American Society of Mechanical Engineers. Applied Mechanics Division (1)
- Geers, T. L. (1)
- IEEE Aerospace and Electronic Systems Society (1)
- IEEE Mechanical Engineering in Radar Symposium (1)
- Institute of Electrical and Electronics Engineers. Washington Section (1)
- Naval Research Laboratory (U.S.) (1)
- Tong, Pin (1)
- University of Newcastle upon Tyne (1)
- World Congress on the Theory of Machines and Mechanisms (1)
- World Congress on the Theory of Machines and Mechanisms, 5th, Concordia University, 1979 (1)