@article{ding_brower_deng_yates_2006, 
  title={Electron density measurement by differential interferometry}, 
  volume={77}, 
  DOI={10.1063/1.2229217}, 
  number={10}, 
  publisher={AIP Publishing}, 
  author={Ding and Brower and Deng and Yates}, 
  year={2006}
  }