1. R. Bacewicz, J. Currant, T. Ciszek, and S. Deb, Proc. 7th Int. Conf. on Ternary and Multinary Compounds Sep. 10–12, 1986, Snowmass, Co, to be published.
2. W. Arndt, H. Dittrich, F. Pfisterer, and H.W. Schock, Proc. 6th E.C. Riotov. Sol. En. Conf, London, April 1985 (D. Reidel, Dordrecht, 1985 ), p. 260.
3. H. Dittrich, B. Dimmler, R. Menner, and H.W. Schock, ref. 1.
4. I.V. Bodnar, A.P. Bologa, A.I. Lukomskii, Crvst. Res. Techn. 17 11 (1982), K 109–K 111.
5. W. Arndt, B. Dimmler, H. Dittrich,J. Kiinmerle, R. Menner,F.Pfisterer and H.W. Schock, Conf. Ree. 18th IEEE Photov. Spec. Conf.. Las Vegas 1985, (IEEE New York, 1985), p. 1671.