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 Influence of glacial water and carbonate minerals on wintertime sea-ice biogeochemistry and the CO2 system in an Arctic fjord in SvalbardFransson, Agneta; Chierici, Melissa; Nomura, Daiki; Martma, TõnuAnnals of glaciology2020 / p. 320-340 : ill https://doi.org/10.1017/aog.2020.52 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS