@article{escidoc:0481, title = {{XMCD studies on Co and Li doped ZnO magnetic semiconductors}}, author = {Tietze, T. and Gacic, M. and Sch\"utz, G. and Jakob, G. and Br\"uck, S. and Goering, E.}, journal = {{New Journal of Physics}}, volume = {10}, year = {2008}, doi = {10.1088/1367-2630/10/5/055009} }