TY - GEN AU - STB. Goennenwein, TA. Wassner, H. Huebl, MS. Brandt, JB. Philipp, M. Opel, R. Gross, A. Koeder, W. Schoch, A. Waag T1 - Hydrogen control of ferromagnetism in a dilute magnetic semiconductor CY - PY - 2004 PB - T3 - Physical Review Letters VL - 92 UR - http://dx.doi.org/10.1103/PhysRevLett.92.227202 SN - 0031-9007