Berlinsky, N.A. and Popov, Y.I. 2018. The Near Bottom Hypoxia and Hydrogen Sulphide Formation on the Black Sea Shelf. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy. 18 (Jun. 2018), 6-13. DOI:https://doi.org/10.26565/1992-4259-2018-18-01.