@misc{indiciaed16cc0a87a7b,
  title = {Precise Measurement of Carbon Dioxide Column by Passive Ground Based Sensor},
  author = {Heaps, William S. and Wilson, Emily L. and Georgieva, Elena},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20080039149},
  note = {Source identifier: 20080039149}
}