Natural background radiation in the United States.

Natural background radiation in the United States. - Washington : NCRP, 1975. - xi, 163 p. : tabla, diagr. - Report, no.<45> . - Estados Unidos. National council on radiation protection and measurements . - Report, no.<45> .

Recommendations of the NCRP Apéndices y bibliografía: p.112-150

0913392278

0083209X

NCRP-REPORT-45


RADIACIONES -EXPOSICION
RADIACTIVIDAD NATURAL