@misc{indiciaeea5092929f2e,
  title = {Mass spectrometry in structural and stereochemical problems. CXLII.},
  author = {Briggs, W. S. and Djerassi, C.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680057832},
  note = {Source identifier: 19680057832}
}