000 00312pam a2200109a 44500
082 _aARC
_bR&M 2813
100 _aZbrozek,J K
245 1 _aTHE SIMPLE HARMONIC MOTION OF A HELICOPTER ROTOR WITH HINGED BLADES
260 _a
_bHer Majesty'S Stationery Office, London
_c1955
964 _gCIRC
997 _aTR18244 C
999 _c404350
_d404350