1. Baruah, D. C. et al. (2005a) Energy Requirement Model for a Combine Harvester, Part 1: Development of Component Models. Biosystems Engineering, 90, 9-25.
2. Baruah, D. C. et al. (2005b) Energy Requirement Model for Combine Harvester, Part 2: Integration of Component Models. Biosystems Engineering, 90, 161-171.
3. Commission for Standard Methods for Soil Analysis and Measurement (2003) Dojo Hyojun Bunseki Sokutei hou. Hakuyusha Co., Ltd. Tokyo, pp. 23-28 [In Japanese].
4. Ezaki, H. et al. (1982) Factor Analysis on the Relationship of Bearing Pressure and Sinkage Behaviours Using Model Track of Combine. Journal of JSAM, 43, 533-540 [In Japanese with English summary].
5. Iida, M. et al. (2006) Rice Harvest Using Driverless Combine Harvester Equipped with GPS and Gyro. Journal of JSAM, 68, 138-143 [In Japanese with English summary].