@article{28491,
  author = {Jon Hougen},
  title = {Multi-valued Versus Single-Valued Large-Amplitude Bending-Torsional-Rotational Coordinate Systems for Simultaneously Treating Trans-Bent and Cis-Bent Acetylene in its S1 State},
  year = {2012},
  month = {2012-07-28},
  publisher = {Journal of Molecular Spectroscopy},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=910766},
  language = {en},
}