00990nam0-22003011i-450-99000110978040332120070201163253.0000110978FED01000110978(Aleph)000110978FED0100011097820001205d1970----km-y0itay50------baengProtection against ionizing radiation from external sourcesa report by Committee 3 of the ICRP, 1969Oxford [etc.]Pergamon Press1970ICRP publication15In testa al front. Radiation ProtectionFisica nucleareTecniche di misura e strumentazione539.77International commission on radiological protection298334ITUNINARICAUNIMARCBK99000110978040332134AII-065.00618456FI1FI1Protection against ionizing radiation from external sources190277UNINA