„Combining PCA and agglomerative clustering: a solution for the automatic recognition of amphetamines“, Ann_UGAL_Math_Phys_Mec, Bd. 40, Nr. 1, S. 89–94, Juni 2017, Zugegriffen: Nov. 02, 2026. Verfügbar unter: https://ojs.ugal.ro/index.php/math/article/view/1261