TY  - BOOK
TI  - Operational radiation safety : training
T2  - Report, no.<71>
SN  - 091339260X
SN  - 0083209X
PY  - 1983///
CY  - Bethesda, Md.
PB  - NCRP
N1  - Recommendations of the NCRP; Apéndices: p.20-34
ER  -