S. Blankenburg, E. Rauls, and W. G. Schmidt, “The physics of highly ordered molecular rows,” physica status solidi (c), vol. 7, no. 2, pp. 153–156, 2009.

S. Sanna, A. V. Gavrilenko, and W. G. Schmidt, “Ab initioinvestigation of the LiNbO3(0001) surface,” physica status solidi (c), pp. 145–148, 2009.

S. Sanna, A. V. Gavrilenko, and W. G. Schmidt, “Ab initioinvestigation of the LiNbO3(0001) surface,” physica status solidi (c), vol. 7, no. 2, pp. 145–148, 2009.

S. Wippermann, W. G. Schmidt, P. Thissen, and G. Grundmeier, “Dissociative and molecular adsorption of water on;1-Al2O3(0001),” physica status solidi (c), vol. 7, no. 2, pp. 137–140, 2009.