http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Latest issue consulted: Volume 9, number 1 (Feb. 2003).
Also available via the World Wide Web to subscribers of OCLC FirstSearch Electronic Collections Online and CRCnetBASE.
Human and ecological risk assessment (Online)
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