@article{Loucks2017a,
author = "D. Loucks and S. Palo and M. Pilinski and G. Crowley and I. Azeem and D. Hampton",
title = "High-latitude GPS Phase Scintillation from E Region Electron Density Gradients During the December 20-21, 2015 Geomagnetic Storm",
year = 2017 ,
journal = "J. Geophys. Res.",
publisher = "American Geophysical Union",
keywords = "pfisr, pfrr",
doi = "10.1002/2016JA023839",
url = "https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2016JA023839"
}