@misc{indiciae1cf8dd9b6136,
  title = {Operating and design criteria of an adjustable horizontal bar grader for sorting channel catfish},
  author = {Donald C. Greenland and James E. Ellis and R.L. Gill},
  year = {1972},
  doi = {10.1577/1548-8640(1972)34[186:oadcoa]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/1013942},
  note = {Source identifier: 1013942}
}