H. W. Thim , ed..International Symposium on Gallium Arsenide and Related Compounds(8th : 1980 : Technical Univ. of Vienna):Gallium arsenide and related compounds , 1980.INstitute of Physics,1981.
International Symposium on Gallium Arsenide and Related Compounds(8th : 1980 : Technical Univ. of Vienna):Gallium arsenide and related compounds , 1980