1. Comparative studies of methane and propane as engine fuels;Moore,1956
2. Combustion, Knock and emission characteristics of a natural gas fueled spark ignition engine with particular reference to low intake temperature conditions;Karim,1975
3. The development of multi-fuel engine;Martlew,1960
4. Design and evaluation of a fast-burn spark ignition combustion system for gaseous fuels at high compression ratios;Stone;Journal of the Institute of Energy,1991
5. Development and application of medium speed gas burning engines;Lowe,1972