1. C. Belouet, R�union DGRST-CNRS Conversion Photovolta�que, Limeil-Brevannes, Octobre 1978.
2. C, Belouet, J. J. Brissot, R. Martres and Ngo Tichphoc, ?Proceeding of the photovoltaic Solar Energy Conference?, Luxembourg September 1977.
3. L. P. Hunt, V. D. Dosaj, T. R. McCormick and A. W. Rauchmolz, Dow Corning Corporation, Solid-state Research and Development Hemlock, Michigan 48626 CH 1319-3/78/0000-0333500 75 (C) (1978).
4. W. C. Breneman, E. G. Farrier and M. Morihara, Union Carbide Corporation CH 1319-3/78/0000-0339500 75 (C) (1978).
5. W. H. Reed, T. N. Meyer, M. G. Fey, F. J. Harvey and F. G. Arcella, Westinghouse CH 1319-3/78/0000-0370500-75 (C) (1978).