@phdthesis{Su2017b,
author = "Y. Su",
title = "Kilometer-Spaced GNSS Array for Ionospheric Irregularity Monitoring",
year = 2017 ,
journal = "PhD Thesis",
publisher = "Illinois Institute of Technology",
keywords = "pfrr",
url = "http://adsabs.harvard.edu/abs/2017PhDT........73S"
}