Väinö O. K. Laiho

Results from a Durability Test of a Mustard Seed Oil Driven Tractor Engine

Seppo A. Niemi, Timo T. Hätönen, Väinö O. K. Laiho, 1998 .

Performance and Exhaust Emissions of a Tractor Engine Using Mustard Seed Oil as Fuel

Seppo A. Niemi, Väinö O. K. Laiho, S. Niemi, 1997 .

Exhaust Particulate Emissions of a Mustard Seed Oil Driven Tractor Engine

Seppo Niemi, Väinö O. K. Laiho, Mika Laurén, 2002 .

A Tractor Engine Fueled with Mustard Seed Oil: Optimization, Emissions and Practical Experiences

Seppo A. Niemi, Väinö O. K. Laiho, S. Niemi, 1997 .

Effects of Two-Spring Injectors on the Performance and Emissions of a Mustard Seed Oil Driven Tractor Engine

Väinö O. K. Laiho, J. Oksanen, S. Niemi, 1999 .