Elk calf survival and mortality following wolf restoration to Yellowstone National Park

Shannon M. Barber-Meyer, L. David Mech, and P.J. White
Bok · Engelsk · 2008

Utgitt	[Bethesda, Md.] : The Wildlife Society , 2008
Omfang	30 s. : ill.
Emner	Elg Ulv Yellowstone nasjonalpark