Reports and proceedings, 31th annual general meeting // International Air Transport Association : Oslo, September 29 - October 2nd, 1975 ; [Hauptbd.]
Annual general meeting. International Air Transport Association ; 31 ; 1975 ; Oslo Annual general meeting. International Air Transport Association ; 31 (Oslo) : 1975.09.29-10.02
1973
145 S.
graph. Darst.
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