Physical Review B - Condensed Matter and Materials Physics, 81-24, 2010 doi:10.1103/PhysRevB.81.245403
Auwärter Willi, Seufert Knud, Klappenberger Florian, Reichert Joachim, Weber-Bargioni Alexander, Verdini Alberto, Cvetko Dean, Dell'Angela Martina, Floreano Luca, Cossaro Albano, Bavdek Gregor, Morgante Alberto, Seitsonen Ari P., Barth Johannes V.