@Article{nhess-9-3-2009,
AUTHOR = {Gousheva, M. and Danov, D. and Hristov, P. and Matova, M.},
TITLE = {Ionospheric quasi-static electric field anomalies during seismic activity in August–September 1981},
JOURNAL = {Natural Hazards and Earth System Sciences},
VOLUME = {9},
YEAR = {2009},
NUMBER = {1},
PAGES = {3--15},
URL = {https://nhess.copernicus.org/articles/9/3/2009/},
DOI = {10.5194/nhess-9-3-2009}
}