@misc{indiciae26c3654889ff,
  title = {Direct evaluation of aerosol-mass loadings from multispectral extinction data},
  author = {Box, M. A. and Mckellar, B. H. J.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780061481},
  note = {Source identifier: 19780061481}
}