@article{kaneko_toyonaga_shoda_1998, 
  title={Recent Progress in Electrical Discharge Machining. 'SuperPIKA' for Super Fine Surface Finishing of WEDM.}, 
  volume={64}, 
  DOI={10.2493/jjspe.64.1719}, 
  number={12}, 
  publisher={Japan Society for Precision Engineering}, 
  author={KANEKO and TOYONAGA and SHODA}, 
  year={1998}
  }