Sim, Heung-Sun Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
http://www.sciencedirect.com/science/article/pii/S1386947701004891 (Publisher version)
Sim, H.-S., Lee, H., & Chang, K. (2001). Even-odd behavior and quantization of conductance in monovalent atomic contacts. Physica E: Low-Dimensional Systems And Nanostructures, 14(4): PII S1386-9477(01)00489-1, pp. 347-354. doi:10.1016/S1386-9477(01)00489-1.