@misc{indiciae83a975250035,
  title = {Effects of environmental pH and calcium on ammonia toxicity in channel catfish},
  author = {J.R. Tomasso and C. A. Goudie and B.A. Simco and K. B. Davis},
  year = {1980},
  doi = {10.1577/1548-8659(1980)109<229:eoepac>2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70006968},
  note = {Source identifier: 70006968}
}