登入選單

返回Google圖書搜尋

Reaction of Ten Radar Air Traffic Controllers to Operational Use of the Telex Twin-microphone, Boom-type, Split Headset

James C. McGuireConrad L. Kraft

出版	Wright Air Development Center, Air Research Development and Command, United States Air Force, 1957
URL	http://books.google.com.hk/books?id=4vwa41UNdAkC&hl=&source=gbs_api