1.

Technical Paper
Technical Paper
1. THE GAMMA-RAY IMAGING SPECTROMETER (GRIS) A NEW BALLOON-BORNE EXPERIMENT FOR GAMMA-RAY LINE ASTRONOMY
Teegarden, B. J. ; Cline, T. L. ; Gehrels, N. ; Porreca, G. ; Tueller, J. ; Leventhal, Marvin ; Huters, A. F. ; MacCallum, C. J. ; Stang, P. D.
Pub. info.: NASA Technical Reports.  (NASA-CP-2376-Vol-3),  pp.1-4,  1985.  National Aeronautics and Space Administration
2.

Technical Paper
Technical Paper
2. A CODED APERTURE IMAGING SYSTEM OPTIMIZED FOR HARD X-RAY AND GAMMA RAY ASTRONOMY
Gehrels, N. ; Cline, T. L. ; Huters, A. F. ; Leventhal, M. ; MacCallum, C. J. ; Reber, J. D. ; Stang, P. D. ; Teegarden, B. J. ; Tuller, J.
Pub. info.: NASA Technical Reports.  (NASA-CP-2376-Vol-3),  pp.1-4,  1985.  National Aeronautics and Space Administration