@misc{indiciae8cb0410ebe7d,
  title = {Mass spectrometry in structural and stereochemical problems. CXVII.},
  author = {Djerassi, C. and Reusch, W.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680057990},
  note = {Source identifier: 19680057990}
}