01550nam 2200385I 450 991071285750332120200129094337.0(CKB)5470000002497607(OCoLC)1137789452(EXLCZ)99547000000249760720200129d1971 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierEffectiveness of the General Motors' retrofit device on a fleet of twenty-five 1962-1964 passenger vehicles /Henry L. Grompf[Ann Arbor, Mich.] :Environmental Protection Agency, Office of Air Programs, Bureau of Mobile Source Pollution Control,1971.1 online resource (24 pages in various pagings)"EPA-AA-TEB 71-33.""April 1971."Chiefly tables.Includes bibliographical reference (page 1).AutomobilesMotorsExhaust gasUnited StatesObservationsAutomobilesUnited StatesPollution control devicesObservationsAutomobilesMotorsExhaust gasAutomobilesPollution control devicesGrompf Henry L.1392340United States.Environmental Protection Agency.Office of Air Programs,GPOGPOBOOK9910712857503321Effectiveness of the General Motors' retrofit device on a fleet of twenty-five 1962-1964 passenger vehicles3446913UNINA