@article{4957,
  author = {Duane Birnbaum and B. Kohler},
  title = {Location of a 1Ag state in bithiophene},
  year = {1992},
  journal = {The Journal of Chemical Physics},
  volume = {96},
  pages = {2492},
  month = {Jan-01-1992},
  issn = {00219606},
  url = {http://link.aip.org/link/JCPSA6/v96/i4/p2492/s1\&Agg=doi},
  doi = {10.1063/1.462053},
}