@misc{indiciaed10f7e4abf71,
  title = {Development and operation efficiency of a catfish grader},
  author = {Donald C. Greenland and R.L. Gill},
  year = {1972},
  doi = {10.1577/1548-8640(1972)34[76:daoeoa]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/1013943},
  note = {Source identifier: 1013943}
}