@article{takezawa_yamada_2016, 
  title={Application of bio metal fiber actuator with bias spring to develop the educational tool for supporting technological learning of needle acupuncture}, 
  volume={82}, 
  DOI={10.1299/transjsme.15-00250}, 
  number={835}, 
  publisher={Japan Society of Mechanical Engineers}, 
  author={TAKEZAWA and YAMADA}, 
  year={2016}
  }