@misc{indiciaeb17acfdaa7dc,
  title = {Studies on digenetic trematodes of the genera Gymnophallus and Parvatrema},
  author = {H. W. Stunkard and Joseph R. Uzmann},
  year = {1958},
  doi = {10.2307/1539032},
  url = {https://pubs.usgs.gov/publication/70160527},
  note = {Source identifier: 70160527}
}