p-electron magnetism in doped BaTiO3−xMx (M=C, N, B)C. Gruber, P. O. Bedolla-Velazquez, J. Redinger, P. Mohn and M. MarsmanEPL, 97 6 (2012) 67008DOI: https://doi.org/10.1209/0295-5075/97/67008