00453nam a22001457a 4500008004100000020001500041050002300056100003100079245005600110250001200166260005400178300002600232650003700258760001200295151015b xxu||||| |||| 00| 0 eng d a0967920825 aG 70.212 .T44 2003 aTheobald, David M.d 2003. aGIS Concepts and ARCGIS Methods cDavid M. Theobald a1st ed. aUSA,bConservation Planning Technologies,c 2003. ax, 334p. :ill.; 23 cm aGeographical information systems b1st ed.