@article{sumii_2000, 
  title={K-Ar ages of the Miocene granites in the Takatsuki-yama and the surrounding areas, southwestern Shikoku.}, 
  volume={29}, 
  DOI={10.2465/gkk.29.67}, 
  publisher={Japan Association of Mineralogical Sciences}, 
  author={SUMII}, 
  year={2000}
  }