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Air
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keywords:(Air)
Comfort and cleanliness attained through conditioned trains
Aircraft route analysis on digital computer
Symposium on cold regions air-transport problems
Type and amount of exhaust gases emitted from industrial, domestic and automobile units
Intercity travel characteristics
Air-conditioning and pressurising truck for aircraft
Air pollution from disposal of junk autos
Accident statistics can contribute to safer flying
U.S. air transportation economics
Comfort and cleanliness attained through conditioned trains