TY
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BOOK
AU
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Benson, William M.
TI
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Tests of a contra-propeller for aircraft
PB
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NACA
PY
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1938
BT
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Technical notes / National Advisory Committee for Aeronautics ; 677
CY
-
Washington, DC
UR
-
http://slubdd.de/katalog?TN_libero_mab2
ER
-
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