1. Solar activity indices as a proxy for the variation of ionospheric Total Electron Content (TEC) over Bahir Dar, Ethiopia during the year 2010–2014. Issue 6 (15th September 2017) Authors: Kassa, Tsegaye; Tilahun, Samson; Damtie, Baylie Journal: Advances in space research Issue: Volume 60:Issue 6(2017) Page Start: 1237 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗