@misc{indiciae0a1de17d85ed,
  title = {Non-spore forming eubacteria isolated at an altitude of 20,000 m in Earth's atmosphere: extended incubation periods needed for culture-based assays},
  author = {Dale W. Griffin},
  year = {2007},
  doi = {10.1007/s10453-007-9078-7},
  url = {https://pubs.usgs.gov/publication/70031851},
  note = {Source identifier: 70031851}
}