1. Closed-loop exhaust emission control system with electronic fuel injection;Zechnall;SAE paper 730556, Automobile Eng. Meeting, Detroit, MI, U.S.A.,1973
2. Development of the Volvo lambda-sond system;Engh;SAE paper 770295, Int. Automotive Eng. Congress, Detroit, MI, U.S.A.,1977
3. Toyota emision control systems meeting Japanese (1978 emission standards;Nakagawa;J. Soc. Automotive Eng. Jpn.,1977
4. Nissan anti-pollution systems for Japanese 1978 emission standards with three-way catalyst and lambda sensor;Konno;J. Soc. Automotive Eng. Jpn.,1977
5. General Motors phase II catalyst system;Canale;SAE paper 780205, Int. Automotive Eng. Congress, Detroit, MI, U.S.A.,1978