00406nam a2200145Ia 4500003000600000005001700006008004100023020001500064040004900079082001700128100002500145245004700170260002300217500002000240NORSU20240813025604.0240220s9999    xx            000 0 und d  a0070159181  aNORSU Dumaguete (Main Campus ll)cNORSU-MCII  a628 D29 1998  aDavis,  Mackenzie L. 0aIntroduction to environmental engineering   bMcGraw-Hillcc1998  aIncludes index.