Free amino acids in the Arctic snow and ice core samples : potential markers for paleoclimatic studiesBarbaro, Elena; Spolaor, Andrea; Karroca, Ornela; Park, Ki-Tae; Martma, TõnuScience of the total environment2017 / p. 454-462 : ill https://doi.org/10.1016/j.scitotenv.2017.07.041 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Nitrate stable isotopes and major ions in snow and ice samples from four Svalbard sitesVega, Carmen P.; Björkman, Mats P.; Pohjola, Veijo A.; Isaksson, Elisabeth; Pettersson, Rickard; Martma, Tõnu; Marca, Alina; Kaiser, JanPolar Research2015 / art. 23246 https://doi.org/10.3402/polar.v34.23246 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS