00361nam a2200157Ia 4500008004100000020001800041035001000059082001300069100002900082245002800111250000600139260003600145300000800181500000800189650000600197210723s9999||||xx |||||||||||||| ||und||  a0-19-506230-2  a32574  a333BWOR  aWorld Resource Institute 0aWorld Resources 1992-93  a-  aOxfordbOxford University Press  a385  a412  a-