"Yuto Goto,Gen Endo,Zhenyu Wang,Hideharu Takahashi,Hiroshige Kikura","LIBRA-I : A Lightweight Balanced Robot Arm for an Internal Investigation through a Narrow Hole",,"Journal of the Robotics Society of Japan","The Robotics Society of Japan","Vol. 42","No. 2","pp. 168-176",2024,Mar.