@misc{indiciae86a52e76c344,
  title = {Indirect observation of unobservable interstellar molecules},
  author = {Herbst, E. and Green, S. and Thaddeus, P. and Klemperer, W.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770013020},
  note = {Source identifier: 19770013020}
}