JUNGWIRTH, T., STORMER, H. L., TSUI, D. C., MACDONALD, A. H., GIRVIN, S. M., SMRČKA, L., PFEIFFER, L. N., BALDWIN, K. W., WEST, K. W. Reorientation of anisotropy in a square well quantum Hall sample. Physical Review Letters. 2000, 85(15), 3257-3260. ISSN 0031-9007. E-ISSN 1079-7114.