SAPIELKIN, Victor. Using the method of principal components in study of the data obtained by means of X-ray fluorescent spectral analysis on the elemental composition of clothing damages areas at the shooting of nonlethal elastic bullets "Teren-12P" ammunition. Journal of Education, Health and Sport, [S. l.], v. 9, n. 1, p. 326–334, 2019. Disponível em: https://apcz.umk.pl/JEHS/article/view/6561. Acesso em: 31 jan. 2025.