1. P. J. Schoenmakers, M. Mulholland, Chromatographia,25, 737 (1988).
2. H. Hindriks, A. Blokland, J. Vink, L. Buydens, A. Peeters, M. de Smet, D. L. Massart, 17th International Symposium on Chromatography, Vienna, September 25–30, 1988.
3. P. J. Schoenmakers, Optimisation of Chromatographic Selectivity: a guide to method development, Elsevier, Amsterdam 1986.
4. D. L. Massart, L. Buydens, A. Peeters, P. J. Schoenmakers, 17th International Symposium on Chromatography, Vienna, September 25–30, 1988.
5. P. J. Schoenmakers, G. Musch, A. Cleland, N. Dunand, P. J. P. K. de Bokx, 17th International Symposium on Chromatography, Vienna, September 25–30, 1988.