1. , , and , Proc. 19th Internat. Conf. Physics of Semiconductors, Warsaw (Poland) 1988, Ed. Polish Academy of Sciences, Warsaw 1988 (p. 1311).
2. , and , Proc. 7th Internat. Conf. Dynamical Processes of Excited States in Solids, Athens (Georgia) 1989,
3. Optical nonlinearity of CdS
4. Low power optical saturation of bound excitons with giant oscillator strength