Thomas Wolfram
Marvin L. Cohen
Baldassare Di Bartolo
Subhash Mahajan
Martin Dressel
International School of Atomic and Molecular Spectroscopy (10th 1991 Erice, Italy)
NATO Advanced Research Workshop on Optical Properties of Narrow-Gap Low-Dimensional Structures (1986 St. Andrews, Scotland)
Victor I. Klimov
Bernard Bendow
E. D. Haidemenakis
H. Haug
Taiwan-Japan Workshop on Solid-State Optical Spectroscopy (1990 Kuo li chung yang ta hsüeh (Chung-li, Taiwan))
Pochi Yeh
National Conference on Electrical and Optical Properties of Solids (1987 Dept. of Physics, Dr. H.S. Gour University)
Edward D. Palik
Yutaka Toyozawa