@article{Zhang2023a,
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  title = "Multi-Instrument Observations of the Evolution of Polar Cap Patches Associated With Flow Shears and Particle Precipitation",
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  note = "e2023JA032176 2023JA032176"
}


@article{Wang2023a,
  author = "C. Wang and W.-L. Guo and Q.-H. Zhang and H.-S. Zhao and L. Cao",
  title = "3-D Computerized Ionospheric Tomography with GPS, SAR, and Ionosonde",
  year =  2023 ,
  journal = "IEEE Transactions on Geoscience and Remote Sensing",
  keywords = "pfisr, gps, ionospheric tomography, spaceborne radar",
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}


@article{Wang2022a,
  author = "Y. Wang and D. R. Themens and C. Wang and Y.-Z. Ma and A. Reimer and R. Varney and R. Gilies and Z.-Y. Xing and Q.-H. Zhang and P. T. Jayachandran",
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  journal = "Journal of Geophysical Research: Space Physics",
  volume = 127,
  number = 6,
  keywords = "risrn, risrc",
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}


@article{Wang2021a,
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}


@article{Ma2021a,
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  title = "Is Westward Travelling Surge Driven by the Polar Cap Flow Channels?",
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  journal = "Journal of Geophysical Research: Space Physics",
  volume = 126,
  number = 8,
  keywords = "pfisr, pfrr",
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  note = "e2020JA028498 2020JA028498"
}


@article{Zhu2020a,
  author = "W. Zhu and J.-Y. Chen and Q. Zhang and J.-M. Zhang",
  title = "Mapping of High-Spatial-Resolution Three-Dimensional Electron Density by Combing of Full-Polarimetric SAR and IRI Model",
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  keywords = "pfisr",
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}


@article{Kong2019a,
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}