TY  - RPRT
TI  - Seasonal metabolic and reproductive cycles in wolves
AU  - U.S. Seal
AU  - E.D. Plotka
AU  - L.D. Mech
AU  - J.M. Packard
PY  - 1987
UR  - https://pubs.usgs.gov/publication/5210229
ID  - 5210229
ER  -