Search for hard X-ray emission from the galactic plane.
An X-ray survey experiment, consisting of four balloon-borne X-ray telescopes, was flown over Texas last year to search for hard X-ray emission (E(x) > 20 keV) from the Galaxy.
Bleeker
J A
JA
Cosmic Ray Working Group, The Royal Dutch Academy of Sciences, Kamerlingh Onnes Laboratorium, Leiden.
Deerenberg
A J
AJ