%0 Article %T Instruments and Methods: A novel method for obtaining very large ancient air samples from ablating glacial ice for analyses of methane radiocarbon %A Petrenko, Vasilii V.; Severinghaus, Jeffrey P.; Brook, Edward J.; Muhle, Jens; Headly, Melissa; Harth, Christina M.; Schaefer, Hinrich; Reeh, Niels; Weiss, Ray F.; Lowe, Dave; Smith, Andrew M. %8 2012-01-30 %I International Glaciological Society %R http://localhost/files/rr172000p %G http://id.loc.gov/vocabulary/iso639-2/eng %[ 2023-05-23 %9 Article %~ ScholarsArchive@OSU %W Oregon State University