TY  - BOOK
TI  - Protection against neutron radiation
T2  - Report, no.<38>
SN  - 0083-209X
PY  - 1971///
CY  - Bethesda
PB  - NCRP
N1  - Recommendations of the NCRP; ApÃ©ndices y bibliografÃ­a: p.42-140
ER  -