00800nam0-22003131i-450-9900009865904033210-330-26324-2000098659FED01000098659(Aleph)000098659FED0100009865920000920d1981----km-y0itay50------baengDisturbing the UniverseFreeeman DysonLondon [etc.]Pan Books1981AstronomiaAstrofisicaCosmologia520523Dyson,Freeman J.<1923- >40445ITUNINARICAUNIMARCBK99000098659040332119-09111784FI1FI1Disturbing the Universe353757UNINAING01