1. . Proceedings of the 13th Photovoltaic Specialists Conference, IEEE, New York, 1978; 1121.
2. , . Proceedings of the 3rd European Photovoltaic Solar Energy Conference, Reidel, Dordrecht, 1980; 381.
3. , , , , . 3rd European Photovoltaic Solar Energy Conference, Reidel, Dordrecht, 1980; 391.
4. , , , , , , , . Proceedings of International Solar Energy Society Silver Jubilee Congress, Pergamon, New York, 1979; 1737.