@misc{indiciae4459a12320a2,
  title = {Measurement of activity--An example of microcomputers in animal collars for data collection and retrieval},
  author = {Richard C. Chapman and L.D. Mech and M.E. Hamerly},
  year = {1985},
  url = {https://pubs.usgs.gov/publication/5210983},
  note = {Source identifier: 5210983}
}