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- catalog contributor b9131661.
- catalog created "1945.".
- catalog date "1945".
- catalog date "1945.".
- catalog dateCopyrighted "1945.".
- catalog extent "unbd. v.".
- catalog issued "1945".
- catalog issued "1945.".
- catalog language "eng".
- catalog publisher "[n.p.]".
- catalog subject "Aviation.".
- catalog title "Investigations of the relative amount of time spent on the ground and in the air by civilian pilot training students. Prepared by National Research Committee on Selection and Training of Aircraft Pilots.".
- catalog type "text".