@article{宗宮_1929, 
  title={温度滴定法の研究(第六報)無水醋酸殊に強酸と共存せる無水醋酸の定量(補遺)}, 
  volume={32}, 
  DOI={10.1246/nikkashi1898.32.5_488}, 
  number={5}, 
  publisher={The Chemical Society of Japan}, 
  author={宗宮, 尚行}, 
  year={1929}
  }