@article{KleinpeterKoch2009,
  author    = {Erich Kleinpeter and Andreas Koch},
  title     = {Visualization of homoaromaticity in cations, neutral molecules and anions by spatial magnetic properties (through space NMR shieldings) - an 1H/13C NMR chemical shift study},
  doi       = {10.1016/j.tet.2009.04.063},
  url       = {http://www.sciencedirect.com/science/journal/00404020},
  year      = {2009},
}