00721nam0-22002771i-450-990000996680403321000099668FED01000099668(Aleph)000099668FED0100009966820000920d1971----km-y0itay50------baengHelium 4By Zygmunt M. GalasiewiczOxford [etc.]Pergamon Press1971SuperconduttivitàFluidi quantici537.623Galasiewicz,Zygmunt M.47042ITUNINARICAUNIMARCBK99000099668040332132A-0387603FI1FI1Helium 4187386UNINAING01