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Google圖書搜尋
A Study of Serious and Fatal Accident Records During 1939 and 1940
Raymond Franzen
Dean R. Brimhall
出版
Civil Aeronautics Administration, Division of Research
, 1948
URL
http://books.google.com.hk/books?id=rD6CGwAACAAJ&hl=&source=gbs_api
