@article{fei1998frameless,
  title={Frameless Intracranial Localization Method Based on Digital Subtraction Angiography},
  author={Fei, B and Zhuang, T and Hu, J},
  journal={JOURNAL-SHANGHAI JIAOTONG UNIVERSITY-CHINESE EDITION-},
  volume={32},
  pages={130--133},
  year={1998},
  publisher={SHANGHAI JIAOTONG UNIVERSITY PRESS}
}