References
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- Trostmann E., Frolund B., Olesen B.H. and Hilbrecht B., "Tap water as a hydraulic pressure medium", Marcel Dekker, Inc., 2001.
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- Conrad, F., "Why use tap water hydraulic systems? It's a natural approach", paper No. 12, Proceedings of the international workshop on water hydraulic systems and applications, LyngbyDenmark, 3-4 September, 1988.