003480000a22001570004500518001300000020001800013650001100031082001000042530000700052100002100059245005000080260002600130260000900156942000800165999001700173  a20051222  a0-534-39809-X  a126076  aCD197  aCD  aMiller, T. Tyler  aInteractive concepts in environmental science  abThomson/Brooks/Cole  c2003  cGEN  c39572d39572