1. J. Fowles; M. Epidemiology and D. Noiton. The chemical constituents in cigarette and cigarette smoker: Priorities for Harm Reduction. A Report to the New Zealand Ministry of Health. Kenepuru Science Centre, Porirua, New Zealand. 1–65, (2000).
2. O. Gesis and D. Kotzias. Tobacco, Cigarettes and Cigarette Smoke: An Overview. European Commission Directorate-General Joint Research Centre Institute for Health and Consumer Protection. (2007).
3. A. Rodgman and Th. Perfetti The Chemical Components of Tobacco and Tobacco Smoke. 2013, 2nd edition, CRC Press.
4. E.E. Golia, A. Dimirkou and K. Mitsiost, Heavy metal concentration in tobacco leaves in relation to their available soil fractions. J. Communications in Soils Science and Plant Analysis. 40 (1-6). (2009.
5. Investigation of heavy metal content of Turkish tobacco leaves, cigarette butt, ash, and smoke