@article{id_5316, title = "Hydrogen control of ferromagnetism in a dilute magnetic semiconductor", author = "STB. Goennenwein, TA. Wassner, H. Huebl, MS. Brandt, JB. Philipp, M. Opel, R. Gross, A. Koeder, W. Schoch, A. Waag", journal = "Physical Review Letters", volume = "92", year = "2004", pages = "227202", url = "http://dx.doi.org/10.1103/PhysRevLett.92.227202", }