00731nam0-22002771i-450-99000054222040332120001010000054222FED01000054222(Aleph)000054222FED0100005422220001010d--------km-y0itay50------baitay-------001yyConsiderations sur les HelicesRene GuillotonParisGauthier194422 cm38 p.Guilloton,Rene340916ITUNINARICAUNIMARCBK99000054222040332105 AN 39 1071243DININDININConsiderations sur les Helices329293UNINAING01