@misc{indiciaec450c58eede9,
  title = {An evaluation of techniques to measure contour feather molt in ducks},
  author = {Rodger D. Titman and Marie-Christine LaGrenade and Michael R. Miller},
  year = {1990},
  doi = {10.2307/3809033},
  url = {https://pubs.usgs.gov/publication/1007598},
  note = {Source identifier: 1007598}
}