Description
Item Description:Title from title screen (viewed on Jan. 9, 2008).
"June 2005."
"EPA/903/B-05/001."
Electronic resource.
Physical Description:vi, 92 pages : digital, PDF file.
Also issued in print format.
Format:Mode of access: Internet via the EPA site. Address as of 01/09/08: http://www.epa.gov/bioindicators/pdf/finaloutputseasonalpp.pdf ; current access available via PURL.
Bibliography:Includes bibliographical references and glossary.