@misc{indiciae5e639913cce1,
  title = {'Duck speech'.},
  author = {N M Tierney and R Glew},
  year = {1992},
  doi = {10.1111/j.1365-2044.1992.tb03291.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1416000/},
  note = {Source identifier: 1416000}
}