@article{桑井_1950, 
  title={〔88〕固體材料取り扱いにおける防塵通氣の設計(21.化學機械)}, 
  volume={53}, 
  DOI={10.1299/jsmemag.53.377_238}, 
  number={377}, 
  publisher={The Japan Society of Mechanical Engineers}, 
  author={桑井, 源禎}, 
  year={1950}
  }