Marek Cieplak, Neal S. Holter, Amos Maritan and Jayanth R. Banavar 1 Department of Physics and Center for Materials Physics, 104 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802 Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46, 02-668 Warsaw, Poland 3 International School for Advanced Studies (SISSA), Via Beirut 2-4, 34014 Trieste, INF...