@misc{indiciae39c809358f8c,
  title = {An intercomparison of five ammonia measurement techniques},
  author = {Williams, E. J. and Sandholm, S. T. and Bradshaw, J. D. and Schendel, J. S. and Langford, A. O. and Quinn, P. K. and Lebel, P. J. and Vay, S. A. and Roberts, P. D. and Norton, R. B.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920066615},
  note = {Source identifier: 19920066615}
}