Intrinsic tunnelling effects in self-doped La0.89MnO3 single crystalsV. Markovich, G. Jung, M. Belogolovskii, Y. Yuzhelevski, G. Gorodetsky and Ya. M. MukovskiiEur. Phys. J. B, 50 4 (2006) 587-592DOI: https://doi.org/10.1140/epjb/e2006-00178-9