@misc{indiciae72c230ca3809,
  title = {A possible biochemical missing link among archaebacteria},
  author = {Achenbach-Richter, Laurie and Woese, Carl R. and Stetter, Karl O.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870056847},
  note = {Source identifier: 19870056847}
}