Mikitik, G. P., & Brandt, E. H. (2011). Flux-line pinning by point defects in anisotropic biaxial type-II superconductors. (Erratum to Physical Review B 79, 020506(R) (2009)). Physical Review B, 83: 099902(E). doi:10.1103/PhysRevB.83.099902.