Fifty fifth annual proceedings of the International Association of Railway Operating Officers 1991 : [Chicago, Illinois]
Technical conference 1991 // International Association of Railway Operating Officers
Technical conference 1991// International Association of Railway Operating Officers
[Technical Conference] IRAOO, International Association of Railway Operating Officers ; 55 ; 1991 ; Chicago,Ill. [Technical Conference] IRAOO, International Association of Railway Operating Officers ; 55 (Chicago,Ill.) : 1991.
1991
287 S
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Conference Proceedings
English