@article{5170,
  author = {W. Wall and D. Jaffe and F. Bash and F. Israel and P. Maloney and F. Baas},
  title = {Kiloparsec-scale molecular gas excitation in spiral galaxies},
  year = {1993},
  journal = {The Astrophysical Journal},
  volume = {414},
  pages = {98},
  month = {Jan-09-1993},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1993ApJ...414...98W},
  doi = {10.1086/173060},
}