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- Corporate/Agency Authors:
- National Advisory Committee for Aeronautics
- Publisher:
- National Advisory Committee for Aeronautics
- Date:
- [1918.]
- SuDoc number:
- Y 3.N 21/5:11 (letter-nos.)
- Corporate/Agency Authors:
- National Advisory Committee for Aeronautics
- Publisher:
- National Advisory Committee for Aeronautics
- Date:
- [1917.]
- SuDoc number:
- Y 3.N 21/5:11/L-366