团体名称: | United States : |
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题名: | i um permissible concentrations of radionuclides in air and in water for occupational exposure : recommendations / United States |
出版发行项: | Washington : U.S. Govt. Print. Off., 1959. |
载体形态: | viii, 95 p. : 20 cm. |
一般附注: | "Supersedes Handbook 52." |