@misc{indiciaee1a61e91cbaf,
  title = {Willie hace una excursion al campo; un libro de colorear; un libro de colorear},
  author = {Donald V. Arvin and Daniel Translated into Spanish by Lucy},
  year = {1994},
  doi = {10.3133/ofr94352},
  url = {https://pubs.usgs.gov/publication/ofr94352},
  note = {Source identifier: ofr94352}
}