Doppler Imaging of the Ap star ϵ Ursae Majoris: Ca, Cr, Fe, Mg, Mn, Ti, SrT. Lueftinger, R. Kuschnig, N. E. Piskunov and W. W. WeissA&A, 406 3 (2003) 1033-1042DOI: https://doi.org/10.1051/0004-6361:20030771
