@misc{indiciae76871fe1f64e,
  title = {Overview of SIM external calibration},
  author = {Swartz, R. and Sievers, L. and Papalexandris, M. and Basdogan, I. and Catanzarite, J. and Milman, M. and Shaklan, S.},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20210002032},
  note = {Source identifier: 20210002032}
}