@misc{indiciae4c9513b877b5,
  title = {Acid precipitation and food quality: Inhibition of growth and survival in black ducks and mallards by dietary aluminum, calcium and phosphorus},
  author = {Donald W. Sparling},
  year = {1990},
  doi = {10.1007/bf01054992},
  url = {https://pubs.usgs.gov/publication/5222399},
  note = {Source identifier: 5222399}
}