@article{ohtsuki_1976, 
  title={「よくわかる」菊地パターン}, 
  volume={18}, 
  DOI={10.5940/jcrsj.18.1}, 
  number={1}, 
  publisher={The Crystallographic Society of Japan}, 
  author={OHTSUKI, Yoshi-Hiko}, 
  year={1976}
  }