info:oai:eprints.library.odeku.edu.ua:2236info:ofi/fmt:xml:xsd:journalBerlinskyiNikolaiBerlinskyi, NikolaiSafranovTamerlanSafranov, TamerlanVol. 11Spatial and temporal variability of pollutants in the bottom sediments in the northwest part of the Black sea73-76Environmental problems2016article