D U TOIT, G.vanN.; SNYMAN, H.A.
and
MALAN, P.J.. Physical impact of sheep grazing on arid Karoo subshrub/grass rangeland, South Africa. S. Afr. j. anim. sci. [online].
2011,
vol.41, n.3, pp. 280-287.
ISSN 0375-1589.
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