TY  - BOOK
ED  - National Council on Radiation Protection and Measurements.
TI  - Medical X-ray and gamma-ray protection for energies up to 10 MeV: equipment design and use
AV  - RM854 .N3
U1  - 616.0757 NAT 1977 
PY  - 1968///
CY  - Washington
PB  - NCRP
KW  - Gamma rays
KW  - Safety measures
KW  - Ionizing radiation
KW  - Radiology, Medical
KW  - X-rays
N1  - Bibliography: p. 35-36
ER  -