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Hauk, N. Optimized Method for Synthesis of a Mechanism for Controlling a Hydraulic Operated Machine. Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering 2011, 18, 31-34.