TY  - RPRT
TI  - Twenty-four hour behavior patterns and budgets of free-ranging reindeer in winter
AU  - W. B. Collins
AU  - T. S. Smith
PY  - 1989
DO  - 10.7557/2.9.1.766
UR  - https://pubs.usgs.gov/publication/1012824
ID  - 1012824
ER  -