TY  - RPRT
TI  - Accuracy and precision of estimating age of gray wolves by tooth wear
AU  - P. S. Gipson
AU  - W.B. Ballard
AU  - R. M. Nowak
AU  - L.D. Mech
PY  - 2000
DO  - 10.2307/3802745
UR  - https://pubs.usgs.gov/publication/70022493
ID  - 70022493
ER  -