TY  - BOOK
TI  - Guidance on radiation received in space activities
T2  - Report, no.<98>
SN  - 0929600045
SN  - 0083209X
PY  - 1989///
CY  - Bethesda, Md.
PB  - NCRP
N1  - Recommendations of the NCRP; Glosario y bibliografía: p.169-205
ER  -