@misc{indiciaec744b53ea4db,
  title = {Contaminant collection and indentification},
  author = {Bethea, R. M. and Anderson, I. C. and Bruce, R. A.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19720063713},
  note = {Source identifier: 19720063713}
}