TY  - RPRT
TI  - Denning behaviour of non-gravid wolves, Canis lupus
AU  - L.D. Mech
AU  - M.K. Phillips
AU  - D.W. Smith
AU  - T.J. Kreeger
PY  - 1996
UR  - https://pubs.usgs.gov/publication/5223674
ID  - 5223674
ER  -