1. The (B-V) and (U-B) Color Indices of the Sun
2. Absolute Photometry of the Light of the Night Sky;Roach;N. B. S. Tech. Note 214.,1964
3. Lumière Zodiacale et Continuum Atmosphérique, Ann;Robley;de Geophys.,1965
4. Photometry of the Zodiacal Light with the Balloon-Borne Telescope THISBE;Frey;Astron. and Astrophys.,1974