NASA  / TN D-393 <br/>
Heyson,Harry H <br/>
       MEASUREMENTS OF THE TIME-AVERAGED AND INSTANTANEOUS INDUCED VELOCITIES IN THE WAKE OF A HELICOPTER ROTOR HOVERING AT HIGH TIP SPEEDS 
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 .-  Nasa, Washington, D.C.,  1960 
 .- 44 . 
<br/>Bound With Nasa Tn D-391-92,394-400 
<br><U>Copy Details:</u><br> Acc. No.: <b>TR15926</b>, Full Call No.: NASA TN D-393,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>