Protection against radiations from radium, cobalt-60, and cesium-137.
— Washington : NBS, 1954. vi, 60 p. : il. — (NBS Handbook ; 54)
Obsoleta por Handbook 73 con título: Protection against radiations from sealed gamma sources.
"Prepared by the Subcommittee on Protection against Radiations from Radium, Cobalt-60, and Cesium-137 Encapsulated Sources.".
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