Monitoring trends in bat populations of the United States and territories [electronic resource] : problems and prospects / by T. J. O'Shea, M. A. Bogan, editors.
Imprint
[Fort Collins, Colo.] : U.S. Geological Survey, Biological Resources Discipline ; Springfield, Va. : National Technical Information Service [distributor], [2003].
Mode of access: Internet at the USGS web site. Address as of 01/31/05: http://www.fort.usgs.gov/products/publications/21329/21329.pdf; current access available via PURL.
Note
Title from title screen (viewed on Jan. 31, 2005).
Contributed papers and results of a workshop held in Estes Park, Colorado, September 1999.
"U.S. Department of the Interior, U.S. Geological Survey"--Cover.