Ilchenko, O. O., Y. V. Pilgun, A. S. Reynt, and A. M. Kutsyk. 2019. “NNLS and MCR-ALS Decomposition of Raman and FTIR Spectra of Multicomponent Liquid Solutions”. Ukrainian Journal of Physics 61 (6):519. https://doi.org/10.15407/ujpe61.06.0519.