Zarkandi S. GEOMETRICAL METHODS TO LOCATE SECONDARY INSTANTANEOUS POLES OF SINGLE-DOF INDETERMINATE SPHERICAL MECHANISMS. J. mech. eng. [Internet]. 2011 Apr. 16 [cited 2024 May 6];41(2):80-8. Available from: https://www.banglajol.info/index.php/JME/article/view/7471