Elsevier, Rangelands, 6(32), 2010
DOI: 10.2458/azu_rangelands_v32i6_karl
DOI: 10.2458/azu_rangelands_v32i6_herrick
Elsevier, Rangelands, 6(32), p. 60-64
DOI: 10.2111/rangelands-d-10-00082.1
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