Voloshin, V. S., Mnacakanyan, V. G., Ryazantsev, G. B., Fedosov, A. V. and Haskov, M. A. (2013) “Investigation of the Azov sea bottom silt deposits as a potential source of biogas”, Reporter of the Priazovskyi State Technical University. Section: Technical sciences, (24), pp. 316–322. doi: 10.31498/2225-6733.24.2012.19832.