General discussion of policy of subventions to private aviation companies; subvention policies of Italy, France, and other states; system of cooperation between state and private aerial transportation companies.
State and aerial transportation companies
Lo stato e le societa di transporti aerei
Rivista Aeronautica ; 62 , n 12
1929
18 pages
Article (Journal)
Italian
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Engineering Index Backfile | 1925
|Engineering Index Backfile | 1929
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