Determination of bismuth down to sub PG/G level in Greenland snow by laser excited atomic fluorescence spectrometry J.-P. CANDELONE, M.A. BOLSHOV, S.N. RUDNIEV, S. HONG et C.F. BOUTRON J. Phys. IV France, 04 C4 (1994) C4-661-C4-664 DOI: 10.1051/jp4:19944175