@misc{indiciae2f0f12113165,
  title = {Nucleic acid duplexes incorporating a dissociable covalent base pair},
  author = {Gao, K. and Orgel, L. E. and Bada, J. L.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/20040141727},
  note = {Source identifier: 20040141727}
}