00393nam a2200157   450000100060000000300030000600500170000900800410002603500190006703500180008605000200010410000220012424500540014625000110020026000240021110259UR20220427191839.0061102|||||||||||||||||||||||||||||||| d  a(janium) 10248  a(janium)10248 4aGE105b.N4 19981 aNebel, Bernard J.10aEnvironmental scienceb : the way the world works  a6a ed.  bPrentice Hallc1998