1. A research tool for the investigation of relative effectiveness of various riddling motions;Milner,1974
2. A research tool for the investigation of the relative effectiveness of various riddling motions. Research note;Milner;J. agric. Engng Res.,1975
3. An investigation into the relative effectiveness of various riddling motions for removal of soil from potatoes;McGechan;J. agric. Engng Res.,1977
4. Effect of season and variety on the susceptibility of the potato tuber to damage;Robertson,1971
5. The effect of season and variety on the susceptibility of the potato tuber to mechanical damage;Hamilton,1973