A. Koelmel

Combustion in spark ignition engines with direct injection

H. Kubach, U. Spicher, G. Töpfer, 2000 .

Analysis of Mixture Conditions Close to Spark Plug Location using a Time Resolved Gas Sampling Valve

U. Spicher, F. Wytrykus, A. Koelmel, 1998 .

Potential of fuel injection in two-stroke engines for hand-held power tools

Roland Kirchberger, Stephan Schmidt, Alexander Trattner, 2014 .

Influence of the Alcohol Type and Concentration in Alcohol-Blended Fuels on the Combustion and Emission of Small Two-Stroke SI Engines

U. Spicher, M. Bertsch, A. Koelmel, 2012 .