TY  - RPRT
TI  - A spring aerial census of red foxes in North Dakota
AU  - A.B. Sargeant
AU  - W.K. Pfeifer
AU  - S.H. Allen
PY  - 1975
DO  - 10.2307/3800462
UR  - https://pubs.usgs.gov/publication/1001292
ID  - 1001292
ER  -