@article{KleinpeterHeydenreichChatterjeeetal.1994,
  author    = {Kleinpeter, Erich and Heydenreich, Matthias and Chatterjee, S. K. and Rudorf, Wolf-Dieter},
  title     = {Study of the pi-electron distribution in push-pull alkenes by 1H and 13C NMR spectroscopy},
  year      = {1994},
  language  = {en}
}
@article{KleinpeterHeydenreichChatterjeeetal.1994,
  author    = {Kleinpeter, Erich and Heydenreich, Matthias and Chatterjee, S. K. and Rudorf, Wolf-Dieter},
  title     = {Study of the pi-electron distribution in push-pull alkenes by 1H and 13C NMR spectroscopy, III : the conformation of 3,4-Dihydro-4-oxo-2H-thiins},
  year      = {1994},
  language  = {en}
}