1. Non-blunting tool for cutting coal and rock;Kenny;Colliery Guardian,1977
2. Health and Safety Executive,1976
3. Tribological properties of poorly lubricating liquids;Yardley;Hydraul. Air Eng.,1976
4. Tribological properties of poorly lubricating liquids;Yardley;Hydraul. Air Eng.,1976
5. The use of rolling fatigue test methods over a range of loading conditions;Yardley;Wear,1974