@article{KleinpeterKochMikhovaetal.2008,
  author    = {Erich Kleinpeter and Andreas Koch and Bozhana Mikhova and Bistra A. Stamboliyska and Tsonko M. Kolev},
  title     = {Quantification of the push-pull character of the isophorone chromophore as a measure of molecular hyperpolarizability for NLO applications},
  doi       = {10.1016/j.tetlet.2007.12.107},
  url       = {http://www.sciencedirect.com/science/article/pii/S0040403907025877},
  year      = {2008},
}