NEW JOURNAL OF PHYSICS

MITTENDORFF M, ORLITA M, POTEMSKI M, BERGER C, DE HEER WA, SCHNEIDER H, HELM M, WINNERL S

SOLID STATE COMMUNICATIONS

DE HEER WA, BERGER C, WU XS, FIRST PN, CONRAD EH, LI XB, LI TB, SPRINKLE M, HASS J, SADOWSKI ML, POTEMSKI M, MARTINEZ G