Recovery of the black-footed ferret [electronic resource] : progress and continuing challenges : proceedings of the Symposium on the Status of the Black-footed Ferret and Its Habitat, Fort Collins, Colorado, January 28-29, 2004 / edited by James E. Roelle ... [et al.].
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006.
Mode of access: Internet from the USGS web site. Address as of 04/24/08: http://www.fort.usgs.gov/Products/Publications/21605/21605.pdf ; current access is available via PURL.
