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First ice core records of NO3– stable isotopes from Lomonosovfonna, SvalbardVega, Carmen Paulina; Pohjola, Veijo Allan; Samyn, Denis; Pettersson, Rickard; Isaksson, Elisabeth; Björkman, Mats P.; Martma, Tõnu; Marca, Alina D.; Kaiser, JanJournal of Geophysical Research2015 / p. 313 - 330 https://doi.org/10.1002/2013JD020930 Journal metrics at Scopus Article at Scopus Jourbal metrics at WOS Article at WOS

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