Toomas Karhu

Exhaust Particle Number in Off-Road Engines of Different Generations

Seppo Niemi, Krister Ekman, Pekka Nousiainen, 2009 .

Particle and NOx emissions of a non-road diesel engine with an SCR unit: The effect of fuel

Riitta L. Keiski, Seppo Niemi, Mika Huuhtanen, 2015 .