National Aeronautics and Space Administration

ORS 4 Refereed Journals

1. The Cosmic γ-RAY Spectrum Between 0.3 and 25 MeV Measured on Apollo 15
   Trombka, J et al., ApJ, 181, 737 (1973)
2. Diffuse Cosmic Gamma Rays Observed at an Equatorial Balloon Altitude
   Daniel, R, Joseph, G & Lavakare, P, Ap&SS, 18, 462 (1972)
3. Extraterrestrial γ Ray Contribution between 0.7 MeV and 4.5 MeV at Balloon Altitude
   Vedrenne, G et al., A&A, 15, 50 (1971)
4. A New Component of Cosmic Gamma Rays Near 1 MeV Observed by the ERS-18
   Vette, J et al., ApJL, 160, L161 (1970)