@misc{indiciaec233a28cdd8a,
  title = {In situ detection of the Clostridium botulinum type C1 toxin gene in wetland sediments with a nested PCR assay},
  author = {Judy L. Williamson and Tonie E. Rocke and Judd M. Aiken},
  year = {1999},
  doi = {10.1128/aem.65.7.3240-3243.1999},
  url = {https://pubs.usgs.gov/publication/70021559},
  note = {Source identifier: 70021559}
}