By Livingston M.   Roundy B.A.   Smith S.E.   in Journal of Arid Environments

ISSN:0140-1963|35|3|441-449

Academic Press‎(1997)‎

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By GEORGE D. B.   ROUNDY B. A.   ST. CLAIR L. L.   JOHANSEN J. R.   SCHAALJE G. B.   WEBB B. L.   in Arid Land Research and Management

ISSN:1532-4990|17|2|113-125

Taylor & Francis Ltd‎(2003)‎

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