Yuzevych, L., Skrynkovskyy, R., Yuzevych, V., Lozovan, V., Pawlowski, G., Yasinskyi, M. and Ogirko, I. 2019. Improving the diagnostics of underground pipelines at oil­and­gas enterprises based on determining hydrogen exponent (PH) of the soil media applying neural networks. Eastern-European Journal of Enterprise Technologies. 4, 5 (100) (Jul. 2019), 56–64. DOI:https://doi.org/10.15587/1729-4061.2019.174488.