TY  - BOOK
TI  - Recommendations on limits for exposure to ionizing radiation
T2  - Report, no.<91>
SN  - 0913392898
SN  - 0083209X
PY  - 1987///
CY  - Bethesda, Md.
PB  - NCRP
KW  - RADIACIONES -EXPOSICION
N1  - Recommendations of the NCRP; Glosario y bibliografía: p.50-55
ER  -