1. P.W. Atkins, Physical Chemistry, 2nd ed. (W.H. Freeman and Co., New York, 1982). pp. 258–264, 331–341
2. D.A. Skoog, D.M. West, Fundamentals of Analytical Chemistry, 4th edn. (Saunders College Publishing, Toronto, 1982), pp. 396–424
3. E. Pretsch, Trends Anal. Chem. 26(1), 46 (2007)
4. E. Bakker, E. Pretsch, Trends Anal. Chem. 20(1), 11 (2001)
5. E. Bakker, P. Bhlmann, E. Pretsch, Talanta 63, 3 (2004)