@misc{indiciae2aabaabea454,
  title = {Interstellar oxygen-17},
  author = {Encrenaz, P. J. and Wannier, P. G. and Jefferts, K. B. and Penzias, A. A. and Wilson, R. W.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19740032744},
  note = {Source identifier: 19740032744}
}