WASET
    S. Gómez and  G. Sánchez and  J. Zarama and  M. Castañeda Ramos and  J. Escoto Alcántar and  J. Torres and  A. Núñez and  S. Santana and  F. Nájera and  J. A. Lopez,  Design of a 4-DOF Robot Manipulator with Optimized Algorithm for Inverse Kinematics.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2015, vol. 102(6). 929 - 934
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10001380.