6Hiroyuki M,Keiji O,Tsutomu I,et al. Development of Hydro - mechanical Transmission (HMT) for Bulldozers [C]//International Off - Highway Powerplant Congress & Exposition. Milwaukee, WI, USA, 1994 : 941722.
7Xu Liyou,Zhou Zhili,Zhang Mingzhu, et al. Appli- cation of Hydro-mechanical Continuously Variable Transmission in Tractors[C]//Proceedings of 7th Asia-Pacific Conference for Terrameehanies of the ISTVS. Changehun, 2004 : 84-91.
8Zhang Mingzhu, Zhou Zhili, Xu Liyou, et al. Algo- rithm of the Efficiency of Continuously Variable Hydro - mechanical Transmissions [ C]//Proeeed- ings of 7th Asia-Pacific Conference for Terrame- ehanies of the ISTVS. Changehun,2004:493-501.
9Xu Liyou, Zhou Zhili, Zhang Mingzhu, et al. Development of hydro-mechanical continuously variable transmission for agricultural tractors [ C ]//Proceedings of 2004 CIGR International Conference, Beijing,2004,2 : V - 49.
10Henning J Meyer. Fahrzeuggetrie betechnik getriebe in traktoren[ R]. Tag der Wissenschaftlichen Aussprache, Berlin,2009.
