@misc{indiciae137683d706e7,
  title = {Mass spectrometry in structural and stereochemical problems. CLXVI.},
  author = {Djerassi, C. and Duffield, A. M. and Furth, B. and Kossanyi, J. and Morizur, J. P. and Wiemann, J.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690044562},
  note = {Source identifier: 19690044562}
}