A. Chłopaś, K. Bańka, and G. Buszewicz, “Amphetamine in illegally produced phenylethylamine – intentional action or failed synthesis of a designer drug. Analysis of evidence material by LC/MS (APCI) and GC/MS (EI) methods”, Curr. Issues Pharm. Med. Sci., vol. 26, no. 1, pp. 16–20, Mar. 2013, doi: 10.12923/j.2084-980X/26.1/a.03.