1. Terms related to linear drive technologies and their applications. IEEJ Technical Report No. 911, p 5-6, 2003.
2. Next-generation AC servo hybrid hydraulic actuator DDV HySerpack;Sato;Yukuatsu Gijutsu,2002
3. Environment-friendly hydropneumatic actuator;Hirota;Yukuatsu Gijutsu,2003