@misc{indiciae0061967486d7,
  title = {Mass spectrometry in structural and stereochemical problems. CXCIX.},
  author = {Smith, G. G. and Djerassi, C.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19720035833},
  note = {Source identifier: 19720035833}
}