http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Technologically enhanced naturally occurring radioactive materials in the southwestern copper belt of Arizona
Mode of access: Internet from the EPA web site. Address as of 4/09/02:http://www.epa.gov/radiation/tenorm/docs/TENORM.pdf; current access is available via PURL.
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Technical report on technologically enhanced naturally occurring radioactive materials in the southwestern copper belt of Arizona