TY  - BOOK
TI  - Structural shielding design and evaluation for medical use of X rays and gamma rays of energies up to 10 MeV
T2  - Report, no.<49>
SN  - 0913392316
SN  - 0083209X
PY  - 1976///
CY  - Bethesda, Md.
PB  - NCRP
KW  - RADIACIONES -PROTECCION
KW  - BLINDAJE [RADIACION]
N1  - Recommendations of the NCRP; NCRP-REPORT-49 y NCRP-REPORT-51 reemplazan a NCRP-REPORT-34; Apéndices y bibliografía: p.44-110
ER  -