@misc{indiciaea79b7da4af07,
  title = {Comparative Soot Diagnostics: Preliminary Results},
  author = {Urban, David L. and Griffin, DeVon W. and Gard, Melissa Y.},
  year = {1997},
  url = {https://ntrs.nasa.gov/citations/19970020580},
  note = {Source identifier: 19970020580}
}