TY - RPRT TI - Characteristics of foraging sites and protein status in wintering muskoxen: insights from isotopes of nitrogen AU - David D. Gustine AU - Perry S. Barboza AU - James P. Lawler AU - Stephen M. Arthur AU - Brad S. Shults AU - Kate Persons AU - Layne G. Adams PY - 2011 DO - 10.1111/j.1600-0706.2011.19215.x UR - https://pubs.usgs.gov/publication/70034326 ID - 70034326 ER -