1. Spectral solar irradiance instrumentation and measurement techniques;Cannon;Sol. Cells,1986
2. Stable reference cells for thin film silicon: hydrogen alloy solar cells: fabrication, calibration, and use;Turner,1984
3. Simple solar spectral model for direct and diffuse irradiance on horizontal and tilted planes at the earth's surface for cloudless atmospheres;Bird;SERI Publ. SERI/TR-215-2436,1984
4. Device characterization and analysis of thin film silicon: hydrogen alloy solar cells;Mitchell,1984