%0 Journal Article %T Optimization of the compressed natural gas direct injection in a small research spark ignition engine %A Catapano, Francesco %A Iorio, Silvana Di %A Sementa, Paolo %A Vaglieco, Bianca Maria %J International Journal of Engine Research %V 18 %N 1-2 %P 118-130 %@ 1468-0874 %D 2017-02-01 %I SAGE Publications %~ DeepDyve