@Article{angeo-25-2175-2007,
AUTHOR = {Jacobson, A. R. and Holzworth, R. and Lay, E. and Heavner, M. and Smith, D. A.},
TITLE = {Low-frequency ionospheric sounding with Narrow Bipolar Event lightning radio emissions: regular variabilities and solar-X-ray responses},
JOURNAL = {Annales Geophysicae},
VOLUME = {25},
YEAR = {2007},
NUMBER = {10},
PAGES = {2175--2184},
URL = {https://angeo.copernicus.org/articles/25/2175/2007/},
DOI = {10.5194/angeo-25-2175-2007}
}