Von Kitzing, Eberhard Department of Cell Physiology, Max Planck Institute for Medical Research, Max Planck Society;
http://www.jgp.org/cgi/reprint/114/4/593 (Any fulltext)
http://dx.doi.org/10.1085/jgp.114.4.593 (Any fulltext)
Von Kitzing, E. (1999). Forces determining ion permeation. The journal of general physiology, 114, 593-596. doi:10.1085/jgp.114.4.593.