Unknown Author
William M. Moedinger
George R. Di Cristina
Davis, A. L.
David Ratcliffe
Karen Lee Ryan
Geoffrey Body
A. M. Zarembski
Antonio Llano
Robert Riddell
United States. Federal Railroad Administration. Office of Research and Development.
Colin G. Maggs
James H. Monckton
Ralf Wirdemann
M.C.H. Baker
British Railways Board.