@article{BringmannHartungGoebeletal.1992,
  author    = {Gerhard Bringmann and Thomas Hartung and Lothar Goebel and Olaf Schupp and Christian L. J. Ewers and Bernd Schoener and Rainer Zagst and Karl Peters and Hans Georg Von Schnering and Christian Burschka},
  title     = {Novel concepts in directed biaryl synthesis, IX: Synthesis and structure of benzonaphthopyranones, useful bridged model precursors for stereoselective biaryl syntheses},
  year      = {1992},
}