000 00472pam a2200145a 44500
082 _aNASA
_bCR-1577
100 _aPiarulli,Vincent J
245 1 _aA METHOD FOR DETERMINING THE CHARACTERISTIC FUCTIONS ASSOCIATED WITH THE AEROPLASTIC INSTABILITIES OF HELICOPTER ROTORS IN FORWARD FLIGHT
260 _a
_bNasa, Washington, D.C.
_c1970
300 _a75
500 _aBound With Nasa Cr-1576,1578-80
700 _aWhite,Richard P
964 _gCIRC
997 _aTR11874 C
999 _c397675
_d397675