Protection against radiations from radium, cobalt-60, and cesium-137.

Washington : NBS, 1954.

vi, 60 págs. : ilustraciones

Serie: 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.".