@misc{indiciaebf485e9b04af,
  title = {An accurate ab initio quartic force field for ammonia},
  author = {Martin, J. M. L. and Lee, Timothy J. and Taylor, Peter R.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930035836},
  note = {Source identifier: 19930035836}
}