@misc{indiciae1bf7ce0414cb,
  title = {Galactic gamma rays: Models involving variable cosmic-ray density},
  author = {Strong, A. W. and Wdowczyk, J. and Wolfendale, A. W.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19740006371},
  note = {Source identifier: 19740006371}
}