@article{zhang_2014, 
  title={Electron Density Comparison Between IRI 2007 and DEMETER Satellite Data in Solar Minimum Year}, 
  volume={25}, 
  DOI={10.3319/tao.2014.02.24.01(aa)}, 
  publisher={Chinese Geoscience Union}, 
  author={Zhang}, 
  year={2014}
  }