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3. Kinematics and Dynamics of Plane Mechanisms;Hirschhorn,1962
4. An analytical method for synthesizing the four-bar crank-rocker mechanism;Chen;J. Engng Ind., Trans. ASME, Seriees B,1969
5. The optimum distribution of mass in the coupler of a plane four-bar linkage;Sherwood;J. Mechanisms,1966