1. W. H. Weber and J. Lambe, Appl. Opt.,15, 2299–2300 (1976).
2. F. Galluzzi and E. Scafe, 4 E. C. Photovoltaic Solar Energy Conf.: Proc., Int. Conf. Stresus (1982), pp. 447–481.
3. J. S. Batchelder, A. H. Zewail, and T. Cole, Appl. Opt.,18, 3090–3110 (1979).
4. V. V. Veryovkin, M. B. Zaks, and V. V. Popov, Zh. Prikl. Spektr.,39, 142–145 (1983).
5. A. Goetzberger and W. Grubel, Appl. Opt.,14, 123–129 (1977).