1. The production of the cadmium sulphide-copper sulphide solar cell by means of a solid-state reaction;te Velde;Energy Convers.,1975
2. Photovoltaic efficiencies of copper sulphide phases in the topotaxial heterojunction copper sulphide-cadmium sulphide;te Velde;Philips Research Rep.,1973
3. Dry barrier formation of Cu2S-CdS junctions;Casperd,1978
4. Thin-film solar cells produced by physical vapour deposition;Hill;Proc. Inst. Electr. Eng., Part I,1978
5. Thin film solar cells;Hill,1978