[National Aeronautics and Space Administration] ; [National Technical Information Service, distributor],
Analysis of [gamma]-ray data from solar flares in cycles 21 and 22 [microform] : final report : NASA grant number--NAGW-3538
Gamma-ray data from solar flares in cycles 21 and 22
[NASA contractor report] ;
NASA contractor report ;
Vestrand, W. Thomas.
United States. National Aeronautics and Space Administration.
principal investigator, W. Thomas Vestrand ; prepared by W.T. Vestrand.
Analysis of [gamma]-ray data from solar flares in cycles 21 and 22 [microform] : final report : NASA grant number--NAGW-3538