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Retro-fit Emission Control Devices for Pre-1968 Vehicles
Exhaust Emissions from a Passenger Automobile Equipped with Electronic Fuel Injection
Exhaust Emissions from Seven LP Gas Powered Vehicles
Measurements of the Radiated Noise from Sailplanes
Exhaust Emissions from Passenger Automobiles Equipped with Doughboy Carburetors
Exhaust Emissions from a Passenger Car Equipped with a Universal Oil Products Catalytic Converter
Truck Tire Noise-I. Peak A-Weighted Sound Levels Due to Truck Tires
Air Pollution by Jet Aircraft at Seattle-Tacoma Airport
Studies of Emissions from Gasoline-Powered Vehicles Above 6,000-lb. Gross Vehicle Weight
Exhaust Emissions from A 25 - Passenger Internal Combustion Engine Powered Gasoline Fueled Bus