@misc{indiciae5cf25cdc2d7d,
  title = {Exploratory behavior in the dog: experimential or age dependent?},
  author = {M W Fox and J W Spencer},
  year = {1969},
  doi = {10.1002/dev.420020205},
  url = {https://pubmed.ncbi.nlm.nih.gov/5407657/},
  note = {Source identifier: 5407657}
}