1. D. Heiserman , Exploring Chemical Elements and Their Compounds , McGraw-Hill, Companies, Incorparated , 1991
2. B. Welz and M.Sperling , Atomic Absorption Spectrometry , John Wiley & Sons , 2008
3. Determination of sulfur by high-resolution continuum source atomic absorption spectrometry: Review of studies over the last 10 years
4. Commission Regulation (EU) No 1129/2011 of 11 November 2011 amending Annex II to Regulation (EC) No 1333/2008 of the European Parliament and of the Council by establishing a Union list of food additives
5. Environmental Protection Agency, Motor Vehicle Emission and Fuel Standards, 2014, EPA-420-F