@article{article, title = {{Sub-ionospheric VLF signal anomaly due to geomagnetic storms: a statistical study}}, publisher = {{Copernicus GmbH}}, url = {{}}, year = {{2015}}, month = {{11}}, author = {{Tatsuta K and Hobara Y and Pal S and Balikhin M}}, doi = {{10.5194/angeo-33-1457-2015}}, volume = {{33}}, journal = {{Annales Geophysicae}}, issue = {{11}}, pages = {{1457-1467}}, note = {{Accessed on 2025/07/17}}}