Mercury in U.S. coal [electronic resource] : abundance, distribution, and modes of occurrence / [by Susan J. Tewalt, Linda J. Bragg, and Robert B. Finkelman].
Imprint
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2001]
Mode of access: Internet from the USGS web site. Address as of 8/22/08: http://pubs.usgs.gov/fs/fs095-01/fs095-01.pdf; current access available via PURL.
Note
Title from title screen (viewed on Aug. 22, 2008).