000 00463nam a22001577a 4500
040 _cIIT Kanpur
041 _aeng
082 _aNASA
_bTN-D-4607
100 _aCavicchi, R. H.
245 _aCritical-speed analysis of flexibly mounted rigid rotors [NASA TN-D-4607]
_cRichard H. Cavicchi
260 _aWashington, D. C.
_bNASA
_c1968
300 _a50p
440 _aNational Aeronautics and Space Administration [NASA]
650 _aRigid rotors
942 _cBK
999 _c561464
_d561464