1. Laboratory of Metal Bioleaching, SPC “Armbiotechnology” NAS of Armenia, Yerevan, Armenia
2. Economic Geology and Petrology Research Unit, Institute for Geosciences and Geography, Martin Luther University Halle-Wittenberg, Halle, Germany
3. Faculty of Natural Sciences I, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany