Walker, J. S. (2000). Permissible dose: A history of radiation protection in the twentieth century. University of California Press.
Tohutoru Kātū Chicago (17th ed.)Walker, J. Samuel. Permissible Dose: A History of Radiation Protection in the Twentieth Century. Berkeley: University of California Press, 2000.
Tohutoro MLA (9th ed.)Walker, J. Samuel. Permissible Dose: A History of Radiation Protection in the Twentieth Century. University of California Press, 2000.
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