1. Sensor, J. P. 1987. “Recent Dev. Ion Exchange (pap. Int. Conf. Ion Exch. Processes)”. Edited by: Williams, P. A. and Hudson, M. J. 60–66. London: Elsevier.
2. Application of high-performance liquid chromatographic methods in the monitoring of enzyme-targeted chemotherapy
3. Weiss, J. 1986.Handbook of Ion Chromatography, 17Sunnyvale, CA: Dionex.