01706oam 2200457 450 991071337080332120200327134015.0(CKB)5470000002499933(OCoLC)643632854(OCoLC)301346373(OCoLC)1103315591(EXLCZ)99547000000249993320100625d1973 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierAutomobile emission control, the state of the art as of December 1972 a report to the Administrator, Environmental Protection Agency /prepared by Division of Emission Control Technology, Mobile Source Pollution Control Program[Washington, D.C.] :[U.S. Environmental Protection Agency],1973.1 online resource (235 pages in various pagings)"February 1973."Includes bibliographical references.Automobile emission control, the state of the art as of December 1972 Motor vehiclesPollution control devicesAutomobilesMotorsExhaust gasMotor vehiclesPollution control devicesfastMotor vehiclesPollution control devices.AutomobilesMotorsExhaust gas.Motor vehiclesPollution control devices.629.2/52OCLCEOCLCEOCLCQOCLCOOCLCQOCLCFOCLCQGPOBOOK9910713370803321Automobile emission control, the state of the art as of December 19723497353UNINA