L. Ya. Vinnikov, T. M. Artemova, I. S. Veshchunov, N. D. Zhigadlo, Ya. Karpinski, P. Popovich, G. L. Sun, C. T. Lin, A. V. Boris, “Vortex structure in superconducting iron pnictide single crystals”, Pis'ma v Zh. Èksper. Teoret. Fiz., 90:4 (2009), 325–329; JETP Letters, 90:4 (2009), 299–302
