Perpendicular exchange bias and its control by magnetic, stress and electric fieldsCh. Binek, P. Borisov, Xi Chen, A. Hochstrat, S. Sahoo and W. KleemannEur. Phys. J. B, 45 2 (2005) 197-201DOI: https://doi.org/10.1140/epjb/e2005-00054-2