@article{KleinpeterFrank2009,
  author    = {Erich Kleinpeter and Andrea Frank},
  title     = {Distinction of Push,pull effect and steric hindrance in disubstituted alkynes},
  doi       = {10.1016/j.tet.2009.03.075},
  url       = {http://www.sciencedirect.com/science/journal/00404020},
  year      = {2009},
}