Opening Session -- Session 1, Goals, Markets, Obstacles -- Session 2. Prospects for Photovoltaics in Developing Countries -- Session 3. Strategies for Cost Reduction -- Session 4. Silicon and Module Developments -- Session 5. Alternative Solar Cells -- Session 6. Concentration Devices and Systems -- Session 7. Current Applications and Test Experience -- Session 8. Advanced Systems and Future Applications -- Group P1. Goals, Markets, Obstacles -- Group P2. Prospects for Photovoltaics in Developing Countries -- Group P4. Silicon and Module Development -- Silicon Material -- Cell Processing -- Ion Implantation -- Modules -- Testing -- Group P 5. Alternative Solar Cells -- Cadmium Sulphide -- Amorphous Silicon -- Mis -- Other Alternatives -- Fundamental Studies -- Group P 6. Concentration Devices and Systems -- Solar Cells for Concentration -- Concentrators -- Concentrator Modules and Systems -- Group P 7. Current Applications and Test Experience -- Group P 8. Advanced Systems and Future Applications -- System Design -- Applications -- Late News Papers -- List of Participants -- Index of Authors.