The Glacier and Land Ice Surface Topography Interferometer: An Airborne Proof-of-Concept Demonstration of High-Precision Ka-Band Single-Pass Elevation Mapping. - Delwyn Moller; Scott Hensley; Gregory A. Sadowy; Charles D. Fisher; Thierry Michel; Mark Zawadzki; Eric J. M. Rignot (IEEE Trans. Geosci. Remote. Sens., 2011)