1. , , and , Gallium Arsenide and Related Compounds 1980, Inst. Phys., London 1981 (p. 493).
2. , , , , and , in: Semi-Insulating III-V Materials, Ed. Shiva Publishing, Orpington 1980 (p. 145).
3. and , Semi-Insulating III-V Materials (p. 154).
4. , , and , Semi-Insulating III-V Materials (p. 161).
5. Semi-Insulating III-V Materials (p. 167).