@misc{indiciaef9b96718d58e,
  title = {Models of clumpy photodissociation regions},
  author = {Meixner, M. and Tielens, A. G. G. M.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930044647},
  note = {Source identifier: 19930044647}
}