TY - STD AU - Frey, M. M. PY - 2009// TI - A chemical fingerprint of surface UV in the 20th century firn record of nitrate stable isotopes at Dome C, East Antarctica, N2 - EGU General Assembly, poster, Abstract EGU2009-8637 N1 - exported from refbase (http://publi.ipev.fr/polar_references/show.php?record=5851), last updated on Thu, 19 Nov 2009 17:46:29 +0100 ID - Frey2009 ER -