Geothermal disruption of summit glaciers at Mount Spurr Volcano, 2004-6 [electronic resource] : an unusual manifestation of volcanic unrest / by Michelle L. Coombs ... [et al.]
Mode of access: Internet at the USGS web site. Address as of 7/25/08: http://pubs.usgs.gov/pp/pp1732/pp1732b/pp1732b.pdf; current access is available via PURL.