• Some results in application of carbon isotopes for study of the early Palaeozoik history of BalticaMartma, Tõnu; Kaljo, DimitriIsotopes in Earth Systems, ESIR XII Workshop, Freiberg, Germany, 24-26 July 2013 : abstracts2013 / 1 p https://www.etis.ee/Portal/Publications/Display/12355ad6-0224-4710-8108-0770122c3eb4