Sapronov, O. O., Sotsenko, V. V., Antonio, B., Smetankin, S. O., & Yurenin, K. Y. (2020). Polymeric materials based on epoxy oligomer DER-331 and hardeners of different physical and chemical nature for repairing of gas production equipment. JOURNAL OF HYDROCARBON POWER ENGINEERING, 7(2), 54–60. https://doi.org/10.31471/2311-1399-2020-2(14)-54-60