=LDR 22 4500 =001 1653 =082 04$a363.7 O'R =245 00$aEnvironmental science for environmental management =260 \\$aUpper Saddle River, N.J. :$bPrentice Hall,$c2000 =650 \0$aReserve =700 1\$aO'Riordan, Timothy =852 \\$bFreeman Library$h363.7 O'R