@misc{indiciae5c55e3371a80,
  title = {The insect trace fossil Tonganoxichnus from the middle Pennsylvanian of Indiana: Paleobiologic and paleoenvironmental implications},
  author = {M. Gabriela Mángano and Conrad C. Labandeira and Erik P. Kvale and Luis A. Buatois},
  year = {1999},
  doi = {10.1080/10420940109380184},
  url = {https://pubs.usgs.gov/publication/70020922},
  note = {Source identifier: 70020922}
}