00851nam0-22003131i-450-990001010380403321000101038FED01000101038(Aleph)000101038FED0100010103820000920d1954----km-y0itay50------baengNeutron OpticsD.J. HughesNew YorkInterscience1954Interscience Tracts on Physics and Astronomy1Particelle elementariRaggi cosmiciAcceleratori539.72539.73Hughes,Donald James<1915- >47845ITUNINARICAUNIMARCBK99000101038040332133-00719FI133-007.001FI1FI1Neutron Optics355008UNINAING01