1. Liu, Jiguo, et al. "Study on Shifting Control Strategy for Tractor AMT System." Agricultural Equipment & Vehicle Engineering 7(2014).
2. Saitou, Yoshitami, N. Isono, and N. Suzumura. "Electronically controlled clutch engagement speed correcting for an automatic transmission system." US, US5109967. 1992.
3. Ling, Ling, Z. S. Chen, and Y. Y. Luo. "Study on Control Process of Automatic Mechanical Transmission System for Pure Electric Bus."Applied Mechanics & Materials 220-223(2012):1795-1799.
4. Gao, A., Z. Fu, and W. Zhang. "Fuzzy shift schedule of automatic mechanical transmission for tractors." Transactions of the Chinese Society for Agricultural Machinery 37.11(2006):1-4.
Ota, Atsuo, S. Narita, and T. Masuda. "Shift control unit of electric-power assist transmission." (2000).
Nitsche, Martin, and A. Englisch. "Method and apparatus for gear shifting control with improved shift quality during gear shifting." US, US5946984.
7. Li, Guozheng, and Y. Tan. "Research of automatic gearshift control technology for tractor mechanical gear-box." Journal of China Agricultural University 9.3(2004):85-87.