00784nam0-22002891i-450-990000045820403321000004582FED01000004582(Aleph)000004582FED0100000458220011111d--------km-y0itay50------baitay-------001yyAerodynamics of the helicopterAlfred Gessow , Garry C. Myers.New YorkF. Ungar publishing1967343 p.ill.24 cmElicotteriAerodinamica629.133 35Gessow,AlfredMyers,Garry C.ITUNINARICAUNIMARCBK99000004582040332113 F 14 1230061FINBCFINBCUNINAING01