1. Experiments with Rasp Bar Threshing Drums. I: Some Factors Affecting Performance;Arnold;J. Agr. Eng. Res.,1964
2. Experiments With Raps Bar Threshing Drums. II: Comparison of Open and Closed Concaves;Arnold;J. Agr. Eng. Res.,1964
3. Experiments with Rasp Bar Threshing Drums. III. Power Requirements;Arnold;J. Agr. Eng. Res.,1964
4. Performance Characteristics of the Grain Combine in Barley;Goss;Agr. Eng.,1958
5. Performance Characteristics of the Grain Combine in Barley;Goss;Agr. Eng.,1958