1. Capillary Zone Electrophoresis
2. The Essence of Chromatography, Chapter 8, Elsevier, Amsterdam 2003.
3. European Pharmacopoeia, 5th Ed., European Department for the Quality of Medicines, Strasbourg, France 2004.
4. The Unites States Pharmacopoeia USP 28, The Unites States Pharmacopoeia Convention, Rockville, MD, USA 2005 ( Supplementary 2006).