DemirciA., and EkizM. ‚ÄúStatistical Classification of Cigarettes Using High Pressure Liquid Chromatograms of Cigarette Filter Tar As Fingerprint‚ÄĚ. Asian Journal of Chemistry, Vol. 25, no. 17, Nov. 2013, pp. 9860-4, https://asianpubs.org/index.php/ajchem/article/view/8473.