@article{ku_1969, title={Discussion: "A New Method for Completely Force Balancing Simple Linkages" (Berkof, R. S., and Lowen, G. G., 1969, ASME J. Eng. Ind., 91, pp. 21–26)}, volume={91}, DOI={10.1115/1.3591541}, publisher={ASME International}, author={Ku}, year={1969} }