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Google圖書搜尋
FAA Intercom
United States. Federal Aviation Administration
出版
Federal Aviation Administration, Office of Public Affairs, Media and Internal Communications Division
, 1999-06-22
URL
http://books.google.com.hk/books?id=uQFgjr0MUj8C&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN