Thurber, J. M.; Peterson, R. O. (1993). "Effects of Population Density and Pack Size on the Foraging Ecology of Gray Wolves". Journal of Mammalogy. 74 (4): 879–889. doi:10.2307/1382426. JSTOR1382426. S2CID52063038.
Thurber, J. M.; Peterson, R. O. (1993). "Effects of Population Density and Pack Size on the Foraging Ecology of Gray Wolves". Journal of Mammalogy. 74 (4): 879–889. doi:10.2307/1382426. JSTOR1382426. S2CID52063038.
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Thurber, J. M.; Peterson, R. O. (1993). "Effects of Population Density and Pack Size on the Foraging Ecology of Gray Wolves". Journal of Mammalogy. 74 (4): 879–889. doi:10.2307/1382426. JSTOR1382426. S2CID52063038.