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  _  _    __   __   __   __   _    _     _____   
 | \| ||  \ \\/ //  \ \\/ // | || | ||  / ____|| 
 |  ' ||   \ ` //    \   //  | || | || / //---`' 
 | .  ||    | ||     / . \\  | \\_/ || \ \\___   
 |_|\_||    |_||    /_//\_\\  \____//   \_____|| 
 `-` -`     `-`'    `-`  --`   `---`     `----`

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Text this: UNSTEADY AERODYNAMICS OF FLAPPING WING: GROUND EFFECT AND ROTATIONAL LIFT