TY - BOOK ED - ProQuest (Firm) TI - Evaluation of guidelines for exposures to technologically enhanced naturally occurring radioactive materials AV - RA569 .E899 1999 U1 - 612/.01448 21 PY - 1999/// CY - Washington, DC PB - National Academy Press KW - Radiation KW - Health aspects KW - Low-level radiation KW - Radiation, Background KW - Radioactive pollution KW - Electronic books N1 - Includes bibliographical references; Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries UR - https://ebookcentral.proquest.com/lib/nird-ebooks/detail.action?docID=3376678 ER -