00770nam0-22003011i-450-990001064480403321000106448FED01000106448(Aleph)000106448FED0100010644820000920d1968----km-y0itay50------baengDiffuse Matter in SpaceLyman Spitzer Jr.New YorkInterscience1968AstronomiaAstrofisicaCosmologia520523Spitzer,Lyman<1914-1997>26092ITUNINARICAUNIMARCBK99000106448040332119-0776634FI1FI1Diffuse matter in space117789UNINAING01