Anisotropic conductance of Pb–induced chain structures on Si(557) in the monolayer regime C. Tegenkamp, Z. Kallassy, H.-L. Günter, V. Zielasek and H. Pfnür Eur. Phys. J. B, 43 4 (2005) 557-564 Published online: 30 March 2005 DOI: 10.1140/epjb/e2005-00090-x