1. Barth, H., 1973. Zur Kinetik der Zementation am System Cu/Ag+ und Zn/Cd2+. PhD thesis, RWTH, Aachen (in German).
2. Inter. Symp. Hydromet., Chicago 1973;Barth,1973
3. Rate of Displacement of Silver from Aqueous Silver Nitrate by Zinc and Copper
4. Hotloś, J., 1986. Jonowe przenoszenie srebra w procesie rafinacji miedzi. PhD thesis, Jagiellonian Univesity, Kraków 1986 (in Polish).