TY  - BOOK
TI  - Protection against radiation from brachytherapy sources
T2  - Report, no.<40>
SN  - 0083-209X
PY  - 1972///
CY  - Bethesda
PB  - NCRP
N1  - Recommendations of the NCRP; Apéndices y bibliografía: p.36-52
ER  -