1. Die Acidität von Silanolgruppen. Vorläufige Mitteillung
2. Acid — base reactions of the TiO2 (Anatase) — water interface and the point of zero charge of TiO2 suspensions
3. Z.-x. Sun, W. Forsling, in: P. Mavros, K.A. Matis (Eds.), Innovations in Flotation Technology, NATO ASI Ser., Ser. E., vol. 208, Kluwer, Amsterdam, 1992 (Chapter 2.4).
4. L. Rönngren, S. Sjöberg, Z.-x. Sun, W. Forsling, in: K.A. Matis (Ed.), Flotation Science and Engineering, Marcel Dekker, New York, 1995 (Chapter 7).