info:oai:eprints.library.odeku.edu.ua:1549info:ofi/fmt:xml:xsd:journalSemenovaI.Semenova, I.OvcharukV.Ovcharuk, V.ShakhirzanovaJ.Shakhirzanova, J.503-510Conference proceedings SGEM2014On use of drought indices in modelling hydrological processes1314-27041article