Proceedings, 44th international congress - International Union of Public Transport : [Dublin] 1981, 24 - 29 May
International congress. International Union of Public Transport ; 44 ; 1981 ; Dublin International congress. International Union of Public Transport ; 44 (Dublin) : 1981.05.24-29
1981
163 S., [18] Bl.
Ill., graph. Darst.
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