Structural shielding design and evaluation for medical use of X-rays and gamma rays of energies up to 10 MeV : recommendations of the National Council on Radiation Protection and Measurements.

Washington : The Council, 1976.

vi, 126 págs. : ilustraciones ; 23 cm.

Serie: NCRP report ; no. 49

ISBN: 0913392316

"Supersedes NCRP report no. 34."

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