@misc{indiciae98ded6559bf5,
  title = {Explorer xi experiment on cosmic gamma rays.},
  author = {Agogino, M. and Clark, G. W. and Garmire, G. and Helmken, H. and Higbie, P. and Kraushaar, W.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19650042505},
  note = {Source identifier: 19650042505}
}