Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yoshikawa Tuneo and Tamura Masato,Teaching and Programing for Robots. Study on Effectiveness of Virtual Joint Model for Flexible Manipulators.,Journal of the Robotics Society of Japan,02891824,The Robotics Society of Japan,1999,17,2,250-259,https://cir.nii.ac.jp/crid/1390001204726731136,https://doi.org/10.7210/jrsj.17.250