MERTINS, H. Ch., OPPENEER, P. M., KUNEŠ, Jan, GAUPP, A., ABRAMSOHN, D., SCHÄFERS, F. Observation of the X-ray magneto-optical voigt effect. Physical Review Letters. 2001, 87(4), 047401-1-047401-4. ISSN 0031-9007. E-ISSN 1079-7114.