Proceedings - System Safety Symposium, Seattle, Washington, 8. - 10.6.1965
Proceedings of the Second International Symposium on the Theory of Road Traffic Flow : London 1963
1966 National Transportation Symposium, presented ... San Francisco, California, May 1 - 6, 1966
Symposium über Radartechnik in Ulm vom 14. - 16. November 1972
Electro-optics/laser international '76 UK : Brighton, 9 - 11 March 1976 ; conference proceedings
Urban transportation planning : Current themes and future prospects
Automatic and semi-automatic Gearboxes for heavy commercial vehicles
Symposium Radartechnik : in Wachtberg-Werthhoven, 6.-8. Nov. 1979