000 00690pam a2200205a 44500
003 OSt
005 20221124111538.0
008 221124b xxu||||| |||| 00| 0 eng d
040 _cIIT Kanpur
041 _aeng
100 _aHeyson, H. H.
245 1 _aAN EVALUATION OF LINEARIZED VORTEX THEORY AS APPLIED TO SINGLE AND MULTIPLE ROTORS HOVERING IN AND OUT OF GROUND EFFECT [NASA TN D-43]
260 _bNational Aeronautics and Space Administration
_c1959
_aWashington, D. C.
300 _a60p
440 _aNational Aeronautics and Space Administration
440 _aNASA Technical Note
500 _aBounds vol. contains NASA TN D 41-50
650 _aGround effect
942 _cTR
999 _c395290
_d395290