TY  - RPRT
TI  - Measurement of activity--An example of microcomputers in animal collars for data collection and retrieval
AU  - Richard C. Chapman
AU  - L.D. Mech
AU  - M.E. Hamerly
PY  - 1985
UR  - https://pubs.usgs.gov/publication/5210983
ID  - 5210983
ER  -