00525nam a22001817a 4500003000400000020001400004082002100018245006900039260004500108300001000153440004600163546001200209650004900221650002400270700001700294700001500311700001700326OSt  a052121842  a574.5265bGOO/AR  aArid land ecosystems V.1:bstructure, functioning and management  aLondonbCambridge university pressc1979  a881p.  aInternational Biological PrograsmmevV.16  aEnglish  aDescription and structure of arid ecosystems  aComponent processes  aGoodall, D W  aPerry, R A  aHowes, K M W