@article{ogawa_1937, 
  title={On the Phenomena of Current Collection under Brushes}, 
  volume={57}, 
  DOI={10.11526/ieejjournal1888.57.2}, 
  number={582}, 
  publisher={The Institute of Electrical Engineers of Japan}, 
  author={OGAWA, T.}, 
  year={1937}
  }