1. Proc. 7th IEEE Photovoltaic Specialists Conf., Pasadena (Calif.) 1968 (p. 33).
2. Photovoltaic Properties of Cu2S–CdS Heterojunctions
3. , , and , Solar Cells, Gordon & Breach, New York/London 1971 (p. 81).
4. and , Proc. Internat. Conf. Heterojunctions, Budapest 1971, Vol. II (p. 397).