1. Horvath C (1980) In: High-Performance Liquid Chromatography, Advances and Perspectives, Vol. 1. Academic Press, New York
2. ChromBook, 2nd edition, Merck KgaA, D-64293 Darmstadt Germany
3. http://www.epa.gov/oppts/oppts_harmonized/830_product_properties_test_guidelines/series/830-7570.pdf
4. http://www.raell.demon.co.uk/chem/logp/logppka.html
5. Fischer J, Jandera P (1994) J Chromatogr A 684:77–92