Klein RFX, Hays PA: Detection and Analysis of Drugs of Forensic Interest, 1992 - 2001; A Literature Review. Microgram Journal, 2003, 1. vsk, nro 1–2. DEA. Artikkelin verkkoversio. (pdf) (Arkistoitu – Internet Archive)
Klein RFX, Hays PA: Detection and Analysis of Drugs of Forensic Interest, 1992 - 2001; A Literature Review. Microgram Journal, 2003, 1. vsk, nro 1–2. DEA. Artikkelin verkkoversio. (pdf) (Arkistoitu – Internet Archive)