1. PV module performance outdoors at PG&E;Jennings,1990
2. Performance and reliability of a 15 kWp amorphous silicon photovoltaic system;Atmaran,1990
3. Reversible conductivity changes in discharge-produced amorphous Si;Staebler;Appl. Phys. Lett.,1977
4. The stability of multijunction a-Si solar cells;Bennett,1988
5. A novel design for amorphous silicon alloy solar cells;Guha,1988