http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory
processing, taxonomy, and quality control of benthic macroinvertebrate samples
National Water-Quality Laboratory (U.S.)
Title from PDF title screen (viewed on August 25, 2004).
Mode of access: Internet from the USGS Web site. Address as of 8/25/04: http://nwql.usgs.gov/Public/pubs/OFR00-212.pdf; current access is available via PURL.
U.S. Geological Survey open-file report ; 00-212