1. Deep level impurities in germanium
2. Resistivity, mobility and impurity levels in GaAs, Ge, and Si at 300°K
3. Deep impurities in semiconductors;Milnes,1973
4. Opsomer K, Simoen E, Claeys C, Maex K, Detavernier C, Van Meirhaeghe RL, et al. Mat Sci Semicon Proc, this volume.
5. Forment S, Vanhellemont J, Clauws P, Van Steenbergen J, Sioncke S, Meuris M, et al. Mat Sci Semicon Proc, this volume.