참고문헌
- Kordak, R., Hydrostatic Drives with Secondary Control, Bosch Rexroth AG, 1996.
- 이일영, BRKR마케팅, 유압공학-단계적 학습가이드-, 문운당, 2012.
- Bosch Rexroth AG, Secondary Control with A4VSO/G Axial Piston Units - RE 90206 -, 2001.
- Pettersson K., Secondary Controlled Drive, Master's Thesis, Linkoping University, 2009.