@article{ChristlLueddeckeNagyreviNeppeletal.1977,
  author    = {Manfred Christl and H.-J. L{\"u}ddecke and A. Nagyrevi-Neppel and G. Freitag},
  title     = {Einige Diels-Alder-Additionen des Benzvalens},
  year      = {1977},
}