B. T. Kuyliev, A. J. Jumaboev, K. A. Khushvaktov, L. O. Meyliev, A. A. Absonov, and B. G. Hudoyberdiev, “Calculated Spectra of Hydrocarbon Components of Natural Gas”, Ukr. J. Phys., vol. 64, no. 1, p. 72, Jan. 2019.