@misc{indiciae33bc29ea4b67,
  title = {Comparative Soot Diagnostics: 1 Year Report},
  author = {Urban, David L. and Griffin, DeVon W. and Gard, Melissa Y.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/19990020833},
  note = {Source identifier: 19990020833}
}