Compilation of notes and data on cost and efficiency of aerial transportation, including air-mail service, in Germany, Holland, Great Britain, France, United States, and Italy; relation between cost of tonkilometer transportation to percentage of utilization of transportation facilities.
Economic efficiency of aerial transportation
Il rendimento economico del traffico aereo
Rivista Aeronautica ; 5 , n 5
1929
20 pages
1 Fig.
Article (Journal)
Italian
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