@misc{indiciaed01d141ff6ad,
  title = {Gamma-ray astronomy with a digitized spark chamber},
  author = {Cline, T. L. and Ehrmann, C. H. and Fichtel, C. E. and Kniffen, D. A. and Ross, R. W.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670022092},
  note = {Source identifier: 19670022092}
}