TY  - RPRT
TI  - High resolution miniaturized stepper ultrasonic motor using differential composite motion.
AU  - Xiangcheng Chu
AU  - Zengping Xing
AU  - Longtu Li
AU  - Zhilun Gui
PY  - 2004
DO  - 10.1016/j.ultras.2003.10.001
UR  - https://pubmed.ncbi.nlm.nih.gov/14996534/
ID  - 14996534
ER  -