@article{10321,
  author = {P. Johnson},
  title = {The multiphoton ionization spectrum of trans-1,3-butadiene},
  year = {1976},
  journal = {The Journal of Chemical Physics},
  volume = {64},
  pages = {4638},
  month = {Jan-01-1976},
  issn = {00219606},
  url = {http://link.aip.org/link/?JCP/64/4638/1\&Agg=doi},
  doi = {10.1063/1.432048},
}