Devi, Minakshi, Alaka Medhi, Ananda Kumar Barbara, Anna Depueva, and Yurij Ruzhin. 2015. “Orographic Role in Anomalous VHF Propagation on the Background of Impending Earthquakes (EQ)”. Annals of Geophysics 58 (3):A0333. https://doi.org/10.4401/ag-6716.