• Critical raw materials of the Estonian Precambrian basement : Any new targets?Soesoo, Alvar; Nirgi, Siim; Solano-Acosta, Juan DavidLithosphere 20242024 / p. 108-111 https://www.seismo.helsinki.fi/pdf/Lito2024.pdf
• Geology and geochemistry of a paleoproterozoic iron mineralization in North-Eastern EstoniaNirgi, Siim; Soesoo, AlvarTransactions of the Karelian Research Centre of the Russian Academy of Sciences2021 / p. 25–43 : ill., map https://doi.org/10.17076/geo1492