@article{BastChristlHuisgenetal.1973,
  author    = {K. Bast and Manfred Christl and R. Huisgen and R. Sustmann},
  title     = {Zur Anlagerung des Benzonitriloxids an α,β-unges{\"a}ttigte Carbons{\"a}ureester},
  year      = {1973},
}