Measurement of radon and radon daughters in air. - Bethesda, Md. : NCRP, 1988. - viii, 174 p. : tabla, diagr. - Report, no.<97> . - Estados Unidos. National council on radiation protection and measurements . - Report, no.<97> . Recommendations of the NCRP ApĂ©ndice, glosario y bibliografĂa: p.127-56 ISBN: 0913392979 ISSN: 0083209X Standard No.: NCRP-REPORT-97 Subjects--Topical Terms: RADIACIONES -EXPOSICION -MEDICION Y CONTROLRADON