000 00696nam a22002057a 4500
003 OSt
005 20221227132240.0
008 221227b xxu||||| |||| 00| 0 eng d
040 _cIIT Kanpur
041 _aeng
100 _aSilveira, Milton A.
245 _aAn investigation of periodic forces and moments transmitted to the hub of four lifting rotor configurations [NASA TN D-1011]
_cMilton A. Silveira
260 _aWahington
_bNational Aeronaitics and Space Adminstration
_c1962
300 _a59p
440 _aNational Aeronaitics and Space Adminstration
440 _aNASA Technical Note
500 _aBound vol. contains D 1011- 1020
650 _aPeriodic forces
942 _cTR
999 _c566364
_d566364