Main precambrian and paleozoic mineral resources of EstoniaSoesoo, AlvarAspects in Mining & Mineral Science2021 / p. 729-732 https://doi.org/10.31031/AMMS.2021.06.000639 On Acoustic Properties of Duct Termination Exhausting Hot Flow by Utilizing FEMSimulationRämmal, Hans; Lavrentjev, JüriEvolutions in mechanical engineering2021 / art. EME.000565 https://crimsonpublishers.com/eme/fulltext/EME.000565.php