TY - RPRT TI - 40Ar/39Ar dating of the eruptive history of Mount Erebus, Antarctica: Summit flows, tephra, and caldera collapse AU - C.J. Harpel AU - P.R. Kyle AU - R.P. Esser AU - W. C. McIntosh AU - D.A. Caldwell PY - 2004 DO - 10.1007/s00445-004-0349-7 UR - https://pubs.usgs.gov/publication/70026289 ID - 70026289 ER -