http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Zinc recycling in the United States in 1998
Title from PDF title screen (viewed on June 9, 2004).
Mode of access: Internet from the USGS Web site. Address as of 6/9/04: http://pubs.usgs.gov/circ/c1196d/c1196d.pdf; current access is available via PURL.
U.S. Geological Survey circular ; 1196-D
Flow studies for recycling metal commodities in the United States