http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Software for analysis of chemical mixtures
composition, occurrence, distribution, and possible toxicity
National Water-Quality Assessment Program (U.S.)
1 online resource (iv, 27 pages) : color illustrations.
by Jonathon C. Scott, Kenneth A. Skach, and Patricia L. Toccalino.
Title from title screen (viewed Nov. 25, 2013).
"National Water-Quality Assessment Program."
Includes bibliographical references (pages 15-17).
Scientific investigations report ; 2013-5030