Radiation protection in the mining and milling of radioactive ores: code of practice and technical addendum / International Labour Organization - Geneva : ILO , 1968 - vi, 108 p. : ill. ; 22 cm. - Manual of industrial radiation protection . Includes bibliographical references and index. Subjects--Topical Terms: Labour safteyLabour lawRadiation protection Dewey Class. No.: 331.83 / ILO-2