@article{iwatsuki_harada_1987, 
  title={Superconducting Cryo Electron Microscope}, 
  volume={21}, 
  DOI={10.11410/kenbikyo1950.21.174}, 
  number={3}, 
  publisher={The Japanese Society of Microscopy}, 
  author={Iwatsuki, Masashi and Harada, Yoshiyasu}, 
  year={1987}
  }