00450nam a2200145Ia 4500003000600000005001700006008004100023020001800064040004900082082001600131100002100147245005000168260003500218500005100253NORSU20240802072150.0240220s9999    xx            000 0 und d  a0-352-04560-0  aNORSU Dumaguete (Main Campus ll)cNORSU-MCII  a 621.43/Ob2  aObert, Edward F. 0aInternal combustion engines and air pollution  bHarper & row Publisherscc1973  aIncludes bibliographical references and index.