TY - RPRT TI - Improving the Automatic Inversion of Digital Alouette/ISIS Ionogram Reflection Traces into Topside Electron Density Profiles AU - Benson, Robert F. AU - Truhlik, Vladimir AU - Huang, Xueqin AU - Wang, Yongli AU - Bilitza, Dieter PY - 2012 UR - https://ntrs.nasa.gov/citations/20140000991 ID - 20140000991 ER -