Ecology of desert systems / Walter Whitford Whitford, W. G. (Walter G.), 1936- Desert ecology. Deserts. QH541.5.D4 W55 2002 577.54 21 WHE Includes bibliographical references and index San Diego : Academic Press, c2002. c2002. 2002 Text xvi, 343 p. : http://www.loc.gov/catdir/description/els031/2001097955.html http://www.loc.gov/catdir/toc/fy032/2001097955.html eng