@misc{127721,
  author = {Francis Lovas},
  title = {NIST Recommended Rest Frequencies for Observed Interstellar Molecular Microwave Transitions-- 2002 Revision},
  year = {2004},
  number = {33},
  month = {2004-01-01},
  publisher = {J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}