00301nam a2200109Ia 4500008004100000020001800041040002900059050002100088100003000109245002800139260002400167230222s9999||||xx |||||||||||||| ||und||  a0-19-521407-2  cChuka University Library  aRA 565 bW8 1998  aWorld Resources Institute 0aWorld Resources 1998-99  aOupbNew Yorkc1998